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Phillips, S.W., Ator, S.W., Blazer, V.S., Brakebill, J.W., Cahoon, D.R., Claggett, P.R., Cronin, T.M., Denver, J.M., Densmore, C.L., Gellis, A.C., Hupp, C.R., Landwehr, J.M., Langland, M.J., Ottinger, C.A., Pavich, M.J., Perry, M.C., Preston, S.D., Raffensperger, J.P., Rattner, B.A., Rybicki, N.B., and Willard, D.A., 2007, Synthesis of U.S. Geological Survey Science for the Chesapeake Bay Ecosystem and Implications for Environmental Management, U.S. Geological Survey Circular 1316

Phillips, S.W. 2006, U.S. Geological Survey Chesapeake Bay Studies: Scientific Solutions for a Healthy Bay and Watershed USGS Fact Sheet FS-2006-3046

Phillips, S.W. 2001, The U.S. Geological Survey Chesapeake Bay Science Program, USGS Fact Sheet FS-125-01

Phillips, S.W., Barlow, R.A., Brakebill, J.W., Bratton, J.F., Blazer, V.S., Bohlke, J.F., Bricker, O.P., Colman, S.M., Cronin, T.M., Hupp, C.R., Keough, J.R., Landwehr, J.M., Langland, M.J., Newell, W.L., Perry, M.C., Phillips, S.W., Preston, S.D., Rybicki, N.B., Simon, N.S., Willard, D.A., 2002, The U.S. Geological Survey and the Chesapeake Bay - The role of science in environmental restoration: U.S. Geological Survey Circular 1220. (online report) pubs.usgs.gov/circ/c1220/

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Albers, P.H. and R.M. Prouty. 1987, Survival of spotted salamander eggs in temporary woodland ponds of coastal Maryland. Environmental Pollution 46(1):45-61.

Aldrich, J.W., D.L. Allen, I.R. Barnes, J.H. Buckalew, M.M. Carpenter, I.N. Gabrielson, L.C. Goldman, R.B. Overington, R.T. Peterson, C.S. Robbins, and R.E. Stewart. 1947, Christmas bird counts - 1946. Southeastern Worcester County, Maryland: Maryland Birdlife 3(1):3-4.

Acevedo, W., 1999, Analyzing land-use change in urban environments: U.S. Geological Survey Fact Sheet 188–99, 4 p.

Anderson, S.H., C.S. Robbins, J.R. Partelow, and J.S. Weske. 1981, Synthesis and Evaluation of Avian Population and Habitat Data for Pennsylvania. U.S. Fish and Wildlife Service. viii, 407 pp.

Baldock, F.C., Blazer, V.S., Callinan, R.B., Hatai, K., Karunasagar, I., Mohan, C.V., and Bondad-Reantaso, M.G., 2005, Outcomes of a short expert consultation on epizootic ulcerative syndrome (EUS): Re-examination of causal factors, case definition and nomenclature, p. 553–586 in Diseases in Asian aquaculture V, Walker, P.J., Lester, R.G., and Bondad-Reantaso, M.G., eds.: Manila, Phillippines, Fish Health Section, Asian Fisheries Society, 633 p.

Blazer, V.S., Bondad-Reantaso, M.G., Callinan, R.B., Chinabut, S., Hatai, K., Lilley, J.H., and Mohan, C.V., 2005, Aphanomyces invadans (= A. piscicida): A serious pathogen of estuarine and freshwater fishes, p. 24–41 (chapter) in Health and Diseases of Aquatic Organisms: Bilateral Perspectives, Proceedings of the Second Bilateral Conference between Russia and the United States, Cipriano, R.C., Shchelkunov, I.S., and Faisal, M., eds.: East Lansing, Michigan, Michigan State University.

Blazer, V.S., Lilley, J.H., Schill, W.B., Kiryu, Y., Densmore, C.L., Panyawachira, V., and Chinabut, S., 2002, Aphanomyces invadans in Atlantic menhaden along the east coast of the United States: Journal of Aquatic Animal Health, v. 14, no. 1, p. 1–10.

Blazer, V.S., 2000, Necropsy-based fish health assessment, in Schmitt, C.J., and Dethloff, G.M., eds., Biomoni toring of Environmental Status and Trends (BEST) Program: Selected methods for monitoring chemical contaminants and their effects in aquatic ecosystems: U.S. Geological Survey Information and Technology Report USGS/BRD-2000-0005, p. 18–22.

Blazer, V.S., Vogelbein, W.K., Densmore, C.L., May, E.B., Lilley, J.H., and Zwerner, D.E., 1999, Aphanomyces as a cause of ulcerative skin lesions of menhaden from Chesapeake Bay tributaries: Journal of Aquatic Animal Health, v. 11, no. 4, p. 340–349.

Barko, J.W., Godshalk, G.L., Carter, Virginia, and Rybicki, N.B., 1988, Effects of submersed aquatic macrophytes on physical and chemical properties of surrounding water: Department of the Army Waterways Experiment Station Technical Report A-99-11, 28 p.

Batiuk, R., Ailstock, S., Bartleson, R., Bergstrom, P., Carter, V., Gallegos, C.L., Karrh, L., Kemp, W.M., Koch, E., Landwehr, J.M., Moore, K.A., Murray, L., Naylor, M., Rybicki, N.B., Stevenson, J.C., Teichberg, M., and Wilcox, D., 2000, Chesapeake Bay Submerged Aquatic Vegetation Water Quality and Habitat-Based Requirements and Restoration Targets - A Second Technical Synthesis, CBP/TRS 245/00, Chesapeake Bay Program, Annapolis, 217 pp (on-line report) www.chesapeakebay.net/pubs/sav/index.html

Batiuk, Richard, Heasley, Patsy, Orth, Robert, Moore, Kenneth, Stevenson, J.C., Dennison, William Staver, Lori, Carter, Virginia, Rybicki, N.B., Hickman, R.E., Kollar, Stan, Bieber, Steven, Bergstrom, Peter, 1992, Chesapeake Bay submerged aquatic vegetation habitat requirements and restoration goals: A Technical Synthesis: USEPA CBP/TRS 83/92, 162 p.

Blazer, V., Phillips, S.W., Pendleton, E., 1999, Fish Health, Fungal Infections, and Pfiesteria, The Role of the USGS, U.S. Geological Survey Fact Sheet FS-114-98

Bond, G.M. and R.E. Stewart. 1951, A new swamp sparrow from the Maryland coastal plain. Wilson Bulletin 63(1):38-40.

Bratton, J.F., Colman, S.M., and Seal, R.R., II, 2003, Eutrophication and carbon sources in Chesapeake Bay over the last 2,700 years: Human impacts in context: Geochimica et Cosmochimica Acta, v. 67, p. 3,385–3,402.

Bridge, D.M., S. Hundt, W.T. Van Velzen, and A.C. Van Velzen. 1969, The greater shearwater in Maryland. Maryland Birdlife 25(4):111-115.

Buchanan, Claire, and Schloss, Jeffrey A., l983, Spatial distributions and hypothetical grazing pressures of zooplankton in the tidal, freshwater, Potomac River: Journal of Freshwater Ecology, V. 2(2), p. 117-128.

Bystrak, D. 1973, The seventy-third Christmas bird count. Untitled. [Summary for Delaware, Maryland, District of Columbia, and Virginia]. American Birds 27(2):144-145.

Bystrak, D. 1975, The seventy-fifth Audubon Christmas bird count. Delaware, Maryland, District of Columbia, Virginia. American Birds 29(2):164-165.

Bystrak, D. 1976, The seventy-sixth Audubon Christmas bird count. Delaware, Maryland, D.C., Virginia. American Birds 30(2):167-168.

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Bystrak, D. 1977, The seventy-seventh Audubon Christmas bird count. Delaware, Maryland, D.C., Virginia. American Birds 31(4):408-409.

Bystrak, D. 1978, The seventy-eighth Audubon Christmas bird count. Delaware, Maryland, D.C., Virginia. American Birds 32(4):428-429.

Bystrak, D.R. 1974, The seventy-fourth Christmas bird count. Untitled. [Summary for Delaware, Maryland, District of Columbia, and Virginia]. American Birds 28(2):154-156.

Bystrak, D.R. 1976, Maryland Christmas counts of 1975, Maryland Birdlife 32(1):12-14.

Bystrak, D.R. 1977, The Maryland Christmas counts of 1976. Maryland Birdlife 33(1):20-30.

Bystrak, D.J., Cullom, K. Klimkiewicz, R. Ringer, C. Robbins, and G. Taylor. 1982, Maryland and DC Breeding Bird Atlas Project Handbook, 1983-1987. Supplement to Maryland Birdlife 38. 20pp.

Callender, Edward, Carter, Virginia, Hahl, D.C. and Hitt, Kerie, (Eds.), 1984, A Water-quality study of the tidal Potomac River and Estuary—An overview: U.S. Geological Survey Water-Supply Paper 2233, 46 p.

Callender, Edward, Carter, Virginia P., Hahl, Daniel C., Hitt, Kerie J., and Schultz, Barbara I. editors, l984, A water-quality study of the tidal Potomac River and Estuary—an overview: U.S. Geological Survey Water-Supply Paper 2233, 46 p.

Carter, Virginia, and Haramis, Michael G., 1980, Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River implications for waterfowl: reprinted from proceedings of the 1979 Mid-Atlantic Natural History symposium, "Bird populations-a litmus test of the environment" in Atlantic Naturalist, v. 33

Carter, Virginia, Paschal, James E., and Haramis, Michael G., 1980, Submersed aquatic vegetation in the tidal Potomac: reprinted from the proceedings of the conference Coastal Zone '80, American Society of Civil Engineers, Hollywood, Florida, 1980.

Carter, Virginia, and Rybicki, Nancy, 1985, The effects of grazers and light penetration on the survival of transplants of Vallisneria americana Michx in the tidal Potomac River, Maryland : Aquatic Botany, v.23, p. 197-213.

Carter, Virginia, 1986, Water quality in the tidal Potomac River and Estuary: U.S. Geological Survey Open-File Report 86-145, 2p.

Carter, Virginia, Barko, John W., Godshalk, G.L., and Rybicki, Nancy B., 1988, Effects of Submersed Macrophytes on Water Quality in the Tidal Potomac River, Maryland, Journal of Freshwater Ecology, v. 4, p. 493-501.

Carter, Virginia and Rybicki, N.B., 1986, The effects of grazers and light penetration on the survival of transplants of Vallisneria americana Michx. in the tidal Potomac River, Maryland: Aquatic Botany, v. 23, p. 197-213.

Carter, Virginia, 1985, Review of: Introduction to freshwater vegetation: Bioscience, v. 35, no. 3, p. 191-192.

Carter, Virginia, and Rybicki, N.B., 1986, Resurgence of submersed aquatic macrophytes in the tidal Potomac river, Maryland, Virginia, and the District of Columbia: Estuaries, v. 9, no. 4B, p. 368-375.

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Carter, Virginia, and Rybicki, N.B., 1994, Invasions and declines of submersed macrophytes in the tidal Potomac River and Estuary, the Currituck Sound-Back Bay system, and the Pamlico River Estuary: Lake and Reservoir Management, v. 10, no. 1, p. 39-48.

Carter, Virginia, and Rybicki, Nancy, 1990, Light attenuation and submersed macrophyte distribution in the tidal Potomac River and Estuary: Estuaries, v. 13, no. 4, p. 441-452.

Carter, Virginia, Barko, J.W., Godshalk, G.L., and Rybicki, N.B., 1988, Effects of submersed macrophytes on water quality in the tidal Potomac River, Maryland: Journal of Freshwater Ecology, v. 4, no. 4, p. 493-501.

Carter, Virginia, Gammon, P.T., and Bartow, Nancy, 1983, Submersed aquatic plants of the tidal Potomac River: U.S. Geological Survey Bulletin 1543, 58 p.

Carter, Virginia, Paschal, J.E., Jr., and Bartow, Nancy, 1985, Distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and Estuary, Maryland and Virginia, May 1978 to November 1981: U.S. Geological Survey Water Supply Paper 2234A, 46 p.

Carter, Virginia, Rybicki, N.B., and Hammerschlag, Richard, 1991, Effects of submersed macrophytes on dissolved oxygen, pH, and temperature under different conditions of wind, tide, and bed structure: Journal of Freshwater Ecology, v. 6, no. 2, p. 121-133.

Carter, Virginia, Rybicki, N.B., and Schulman, C.L., 1987, Effect of salinity and temperature on germination of monoecious Hydrilla propagules: Journal of Aquatic Plant Management, v. 25, p. 54-57.

Carter, Virginia, Rybicki, N.B., and Turtora, Michael, 1991, Population dynamics of submersed macrophytes in the tidal Potomac River in Proceedings, 25th annual Meeting, Aquatic Plant Control Research Program: U.S. Army Corps of Engineers, Vicksburg, Mississippi, Misc. Paper A-91-3, p. 41-53.

Carter, Virginia, Rybicki, N.B., and Turtora, Michael, 1996, Effect of increasing photon irradiance on the growth of Vallisneria americana in the tidal Potomac River. Aquatic Botany, v. 54, p. 337-345.

Carter, Virginia, Rybicki, N.B., Anderson, R.T., Trombley, T.J., and Zynjuk, G.L., 1985, Data on distribution and abundance of submersed aquatic vegetation in the tidal Potomac River and transition zone of the Potomac River, Maryland, Virginia and the District of Columbia, 1983 and 1984: U.S. Geological Survey Open-File Report 85-82, 61 p.

Carter, Virginia, Rybicki, N.B., Jones, R.C., Barko, J.W., Dresler, P.V., Hickman, R.E., and Anderson, R.T., 1989, Data on physical, chemical and biological data and characteristics of Hydrilla beds, mixed beds, and unvegetated sites in the tidal Potomac River, Maryland and Virginia, 1987: U.S. Geological Survey Open-File Report 88-709, 196 p.

Carter, Virginia, Rybicki, N.B., Landwehr, J. M., and Turtora, Michael, 1994, Role of weather and water quality on population dynamics of submersed macrophytes in the tidal Potomac River: Estuaries, v. 17, no.2, p.417-426.

Carter, V., Rybicki, N.B., Landwehr, J.M., and Naylor, M., 2000, Light requirements for SAV survival and growth: Chesapeake Bay Submerged Aquatic Vegetation Water Quality and Habitat-Based Requirements and Restoration Targets - A Second Technical Synthesis, printed by the United States Environmental Protection Agency for the Chesapeake Bay Program, p. 11-33. (online report) www.chesapeakebay.net/pubs/sav/index.html

Carter, V., Rybicki, N.B., Landwehr, J.M., Reel, J.T., and Ruhl, H.A., 1998, Summary of correlations among seasonal water quality, discharge, weather, and coverage by submersed aquatic vegetation in the Tidal Potomac River and Potomac Estuary, 1983-1996: U.S. Geological Survey Open-File Report 98-657, 81p.(online report) water.usgs.gov/nrp/proj.bib/sav/ofr98/index.htm

Carter, V., Landwehr, J.M., Rybicki, N.B., Reel, J.T., and Ruhl, H.A., in press, Linkages among submersed aquatic vegetation, nutrients, river discharge and weather in the tidal Potomac River and Estuary, in Buchanan, C., ed., Tidal Potomac River Integrated Analysis: Interstate Commission on the Potomac River Basin.

Clapp, R.B. 1996, Great blue heron electrocution in Loudoun County, Virginia. Raven 67:28-31.

Clark, D.R., Jr. and A.J. Krynitsky. 1978, Organochlorine residues and reproduction in the little brown bat, Laurel, Maryland - June 1976. Pesticides Monitoring Journal 12(3):113-116.

Clark, D.R., Jr. and R.M. Prouty. 1976, Organochlorine residues in three bat species from four localities in Maryland and West Virginia, 1973. Pesticides Monitoring Journal 10(2):44-53.

Clark, D.R., Jr., C.M. Bunck, and R.J. Hall. [1996]. Female reproductive dynamics in a Maryland population of ringneck snakes (Diadophis punctus). Journal of Herpetology [in press].

Cohen, R.R.H., 1985, Physical processes and the ecology of a winter dinoflagelate bloom of Katodinium rotundatum: Marine Ecology—Progress Series, v. 26, p.135-144.

Cohen, R.R.H., 1988, Phytoplankton dynamics of the fresh, tidal Potomac River, Maryland, for the summers of 1979 to 1981 , U.S. Geological Survey Water-Supply Paper 2234-C, 34pp.

Cohen, Ronald R.H., Dresler, Paul V., Philips, Elizabeth, J. P., and Cory, Robert L., l984, The effect of the Asiatic clam, Corbicula fluminea, on phytoplankton of the Potomac River, Maryland: Limnology and Oceanography, Vol. 29, no. l, pp. l70-l80.

Cohen, Ronald R.H. and Pollock, Sheryl O., 1983, Primary productivity by phytoplankton in the tidal, fresh Potomac River, Maryland, May 1980 to August 1981: U.S. Geological Survey Water Resources Investigations Report 83-4255, 76 p.

Cohen, R.R.H., Pollock, S.O., Stoelzel, V.E. and Boulukos, K.E., 1985, Phytoplankton abundance and generic composition data for the Potomac River and Estuary, Maryland: U.S. Geological Survey Open-File Report 84-859, 28 p.

Cole, Brian E., and Alpine, Andrea E., l980, Biological properties of the Potomac Estuary: August l977-August l978: U.S. Geological Survey Open-File Report 80-343.

Coon, R.A., B.K. Williams, J.S. Lindzey, and J.L. George. 1982, Examination of woodcock nest sites in central Pennsylvania. Pages 55-62 in T.J. Dwyer and G.L. Storm, technical coordinators. Woodcock ecology and management. U.S. Fish and Wildlife Service, Wildlife Research Report 14. v, 191 pp.

Couch, C., and Hamilton, P., 2002, Effects of urbanization on stream ecosystems: U.S. Geological Survey Fact Sheet 042–02, 2 p.

Cronin, T.M., and Walker, H.A., 2006, Restoring Coastal Ecosystems and Abrupt Climate Change, An Editorial Essay, 8 p. http://www.springerlink.com/content/e8u730587rk5216u/?p=34a787db113c417aad7173287f82f798&pi=0

Cronin, T.M., Thunell, R., Dwyer, G.S., Saenger, C., Mann, M.E., Vann, C., and Seal, II, R.R., 2005, Multiproxy evidence of Holocene climate variability from estuarine sediments, eastern North America, Paleoceanograpy, Vol. 20 PA4006, doi: 10.1029/2005PA001145

Dennison, W.C., Orth, R.J., Moore, K.A., Stevenson, J.C., Carter, Virginia, Kollar, Stan, Bergstrom, P.W., and Batiuk, R.A., 1993, Assessing water quality with submersed aquatic vegetation: Bioscience, v. 43, no. 2, p. 86-94.

Dozier, H.L., M.H. Markely, and L.M. Llewellyn. 1948, Muskrat investigations on the Blackwater National Wildlife Refuge, Maryland, 1941-1945. Journal of Wildlife Management 12(2):177-190.

Dresler, Paul V., 1986, The response of benthic communities of the tidal Potomac River and Estuary to estuarine gradations: Master's Thesis, Towson State University, Towson, Maryland, 187 p.

Dresler, Paul V. and Cory, Robert L., l980, The Asiatic clam, Corbicula fluminea (Muller), in the tidal Potomac River: Estuaries, Vol. 3, No. 2, pp. l50-l5l.

Erwin, R.M., Brinker, D., and Fruh, B., 2003, Poplar Island environmental restoration project: Build it and they (wildlife) will come, but are all welcome?, in Proceedings of the 13th Biennial Coastal Zone Conference, Baltimore, Maryland, July 13–17, 2003, NOAA/CSC/20322-CD. CD-ROM.

Erwin, R.M. 1984, Feeding flights of nesting wading birds at a Virginia colony. Colonial Waterbirds 7:74-79.

Erwin, R.M. 1993, Survival and post-fledging movements of young snowy egrets and black-crowned night-herons at a Virginia colony. Bulletin of the Ecological Society of America 74(2, supplement):228.

Erwin, R.M. and J. A. Spendelow. 1991, Colonial wading birds: herons and egrets . Pages 19.1-19.14 in Steven L. Funderburk, et al., editors. Habitat Requirements for Chesapeake Bay Living Resources, 2nd edition. Chesapeake Bay Program, U.S. Environmental Protection Agency, Annapolis, MD. Various pagings.

Erwin, R.M., G.M. Haramis, D.G. Krementz, and S. L. Funderburk. 1993, Resource protection for waterbirds in Chesapeake Bay. Environmental Management 17(5):613-619.

Fleming, W.J., J.J. Momot, and M.S. Ailstock. 1988, Bioassay for phytotoxicity of toxicants to sago pondweed. Pages 431-440 in M.T. Lynch and E. Krome, editors. Understanding the Estuary: Advances in Chesapeake Bay Research. Chesapeake Research Consortium, Publication 129, Solomons, MD. 629 pp.

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Gauthier, D.T., Cartwright, D.D., Densmore, C.L., Blazer, V.S., and Ottinger, C.A., 2003, Measurement of in vitro mitogenesis in fish: ELISA-based detection of the thymidine analogue 5’-bromo-2’-deoxyuridine: Fish and Shellfish Immunology, v. 14, p. 279–288.

Geis, A.D. 1986, Planning and design for wildlife conservation in new residential developments—Columbia, Maryland. Pages 67-70 in K. Stenberg and W.W. Shaw, editors. Wildlife Conservation and New Residential Developments: Proceedings of a National Symposium on Urban Wildlife. University of Arizona, School of Renewable Natural Resources, Tucson, Az. 203 pp.

Geis, A.D. 1987, Wildlife habitat considerations in Columbia, Maryland and vicinity.Pages 97-99 in K. Stenberg and W.W. Shaw, editors. Wildlife Conservation and New Residential Developments: Proceedings of a National Symposium on Urban Wildlife.University of Arizona, School of Renewable Natural Resources, Tucson. 203 pp.

Geissler, P.H. 1988, Alternative sampling strategies for a survey of submerged aquatic vegetation in the Chesapeake Bay.Pages 138-146 in M.T. Lynch and E. Krome, editors. Understanding the Estuary: Advances in Chesapeake Bay Research. Chesapeake Research Consortium, Publication 129, Solomons, MD. 629 pp.

George, J.L., R.F. Darsie, and P.F. Springer. 1957, Effects on wildlife of aerial applications of strobane, DDT, and BHC to tidal marshes in Delaware. Journal of Wildlife Management 21(1):42-53.

Goetz, S.J., Jantz, C.A., Prince, S.D., Smith, A.J., Varlyguin, D., and Wright, R.K., 2004, Integrated analysis of ecosystem interactions with land use change: the Chesapeake Bay watershed, pages 263–275 in DeFries, R.S., Asner, G.P., and Houghton, R.A., eds., Ecosystems and land use change: Washington, D.C., American Geophysical Union, Geophysical Monograph Series

Golden, N.H., B.A. Rattner, P.C. McGowan, K.C. Parsons, and M.A. Ottinger. 2003. Concentrations of metals in feathers and blood of nestling black-crowned night-herons (Nyticorax nycticorax) in Chesapeake and Delaware Bays. Bulletin of Environmental Contamination and Toxicology 70:385-393.

Grant, E.H.C., Jung, R.E., and Rice, K.C., 2005, Stream salamander species richness and abundance in relation to environmental factors in Shenandoah National Park: American Midland Naturalist, vol. 153, p. 348-356.

Hackman, C.D. and C.J. Henny. 1971, Hawk migration over White Marsh, Maryland. Chesapeake Science 12(3):137-141.

Hale, R.C., LaGuardia, M.J., Harvey, E., Rattner, B.A., Watts, B.D., and Potter, K.E., 2004, Are PBDE congener profiles useful indicators of source? in Proceedings of the 25th Annual Meeting of the Society of Environmental Toxicology and Chemistry, November 14–18, 2004, Portland, Oregon, PM042.

Haramis, G.M., and G.D. Kearns, 2007, Soras in tidal marsh: banding and telemetry studies on the Patuxent River, Maryland. Waterbirds 30 (Special Publication 1): 105-121.

Haramis, G.M., and Kearns, G.D., 2007, Herbivory by resident Canada geese: The loss and restoration of wild rice along the tidal Patuxent River, Maryland: Journal of Wildlife Management, v. 71, p. 788–794.

Haramis, G.M., and Kearns, G.D., 2004, Invasive herbivory: Resident Canada geese and the decline of wild rice along the tidal Patuxent River, p. 37–38 in Perry, M.C., ed., Mute swans and their Chesapeake Bay habitats, in Proceedings of a symposium, U.S. Geological Survey Information and Technology Report 2004–0005, 59 p.

Haramis, G.M., D.G. Jorde, G.H. Olsen, D.B. Stotts, and M.K Harrison, Sr. 2002. Breeding productivity of Smith Island black ducks. Pages 22-30 in M.C. Perry,ed. Black ducks and their Chesapeake Bay Habitats: Proceedings of a Symposium, USGS/BRD/ITR-2000-005.

Haramis, G.M., D.G. Jorde, S.A. Macko, and J.L. Walker. 2001. Stable-isotope analysis of canvasback winter diet on Chesapeake Bay. Auk 118:1008-1017.

Jorde, D.G., G.M. Haramis, C.M. Bunck, and G.W. Pendleton, 1995. Effects of diet on rate of body mass gain by wintering canvasbacks J. WIldl. Manage. 59:31-39.

Haramis, G.M. 1991, Canvasback Aythya valisineria . Pages 17.1-17.10 in Steven L. Funderburk, et al., editors. Habitat Requirements for Chesapeake Bay Living Resources, 2nd edition. Chesapeake Bay Program, U.S. Environmental Protection Agency, Annapolis, MD. Various pagings.

Haramis, G.M. 1991,. Redhead Aythya americana. Pages 18.1-18.10 in Steven L. Funderburk, et al., editors. Habitat Requirements for Chesapeake Bay Living Resources, 2nd edition. Chesapeake Bay Program, U.S. Environmental Protection Agency, Annapolis, MD. Various pagings.

Haramis, G.M. 1991, Wood Duck Aix sponsa. Pages 15.1-15.11 in Steven L. Funderburk, et al., editors. Habitat Requirements for Chesapeake Bay Living Resources, 2nd edition. Chesapeake Bay Program, U.S. Environmental Protection Agency, Annapolis, MD.

Haramis, G.M. and J.R. Goldsberry. 1984, An aerial photo-census of Chesapeake Bay and North Carolina canvasbacks. M. Sayre and W. A. Richkus, editors. Coastal Zone: Man and Wildlife.Transactions of the Northeast Fish and Wildlife Conference 1984:45.

Haramis, G.M., D.G. Jorde, and C M. Bunck. 1993, Survival of hatching-year female canvasbacks wintering on Chesapeake Bay. Journal of Wildlife Management 57(4):763-771.

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Haramis, G.M., D.G. Jorde, P.N. Klein, S.A. Macko, and B.S. Walker. 1993, Use of stable isotope ratios to discriminate dietary components of free-ranging animals: An example with Chesapeake Bay canvasbacks. Proceedings, American Association of Zoo Veterinarians Annual Conference 1993:400-405.

Haramis, G.M., E.L. Derleth, and W.A. Link. 1994, Flock sizes and sex ratios of canvasbacks in Chesapeake Bay and North Carolina. Journal of Wildlife Management 58(1):123-131.

Haramis, G.M., J.R. Goldsberry, D.G. McAuley, and E.L. Derleth. 1985, An aerial photographic census of Chesapeake Bay and North Carolina canvasbacks. Journal of Wildlife Management 49(2):449-454.

Haramis, G.M., and Carter, Virginia, 1983, Distribution of submersed aquatic macrophytes in the tidal Potomac River: Aquatic Botany, v.15, p. 65-79.

Harms, C.A., Ottinger, C.A., Blazer, V.S., Densmore, C.L., Pieper, L.H., and Kennedy-Stoskopf, S., 2000, Quantitative polymerase chain reaction for transforming growth factor-ß applied to a field study of fish health in Chesapeake Bay tributaries: Environmental Health Perspectives, v. 108, no. 5, p. 447–452.

Harms, C.A., Ottinger, C.A., and Kennedy-Stoskopf, S., 2000, Correlation of transforming growth factor-ß messenger RNA (TGF-ß mRNA) expression with cellular immunoassays in Triamcinolone-treated captive hybrid striped bass: Journal of Aquatic Animal Health, v. 12, no. 1, p. 9–17.

Hatfield, J.S., S.A. Ricciardi, G.A. Gough, D. Bystrak, S. Droege, and C.S. Robbins. 1994, Distribution and abundance of birds wintering in Maryland, 1988-1993. Maryland Birdlife 50(1-4):3-83.

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Alexander-Augustine, L.E., and Hupp, C.R., 2002, Process and pattern: Hydrogeomorphology and biodiversity in forested wetlands on the Chesapeake Bay Coastal Plain, in Proceedings of the 87th Annual Meeting of the Ecological Society of America and the 14th Annual International Conference of the Society for Ecological Restoration, August 4–9, 2002, Tucson, Arizona.

Alvarez, David A., Cranor, Walter L., Perkins, Stephanie D., Schroeder, Vickie L., Werner, Stephen L., Furlong, Edward T., and Holmes, John, 2008, Investigation of Organic Chemicals Potentially Responsible for Mortality and Intersex in Fish of the North Fork of the Shenandoah River, Virginia, during Spring of 2007 U.S. Geological Survey Open-File Report 2008-1093, 24 p.

Ator, S.W., Denver, J.M., Krantz, D.E., Newell, W.L., and Martucci, S.K., 2005, A surficial hydrogeologic framework for the Mid-Atlantic Coastal Plain: U.S. Geological Survey Professional Paper 1680, 44 p., 4 pls.

Ator, Scott W. , Denver, Judith M. , and Brayton, Michael J. Brayton, 2004, Hydrologic and Geochemical Controls on Pesticide and Nutrient Transport to Two Streams on the Delmarva Peninsula: Online Publication - SIR 2004-5051

Ator, S.W., Denver, J.M., and Hancock, T.C., 2000, Relating shallow ground-water quality to surfical hydrogeology in the Mid-Atlantic Coastal Plain, in Proceedings of the National Water-Quality Monitoring Conference, April 25–27, 2000, Austin, Texas, p. 409–423.

Ator, S.W., Blomquist, J.D., Brakebill, J.W., Denis, J.M., Ferrari, M.J., Miller, C.V., and Zappia, H., 1998, Water Quality in the Potomac River Basin, Maryland, Pennsylvania, Virginia, West Virginia, and the District of Columbia, 1992-96: U.S. Geological Survey Circular 1166

Ator, S.W., and Ferrari, M.J., 1997, Nitrate and selected pesticides in ground water of the Mid-Atlantic Region: U.S. Geological Survey Water-Resources Investigations Report 97–4139, 8 p.

Bachman, L. J., Krantz, D. E., and Böhlke, J. K., 2002, Hydrogeologic framework, ground-water geochemistry, and assessment of nitrogen yield from base flow in two agricultural watersheds, Kent County, Maryland, U.S. Environmental Protection Agency, EPA/600/R-02/008, 93 p.

Bachman, L.J., Lindsey, B., Brakebill, J., and Powars, D.S., 1998, Ground-water discharge and base flow nitrate loads of nontidal streams, and their relation to a hydrogeomorphic classification of the Chesapeake Bay Watershed, Middle Atlantic Coast: U.S. Geological Survey Water Resources Investigations Report 98-4059 (Adobe Acrobat PDF format)

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Baldizar, J.B., and Rybicki, N.B., 2006, Primary factors influencing water clarity at shallow water sites throughout the Chesapeake and Maryland Coastal Bays, in Proceedings of the Joint 8th Federal Interagency Sedimentation Conference and 3rd Federal Interagency Hydrologic Modeling Conference, April 2–6, 2006, Reno, Nevada, in CD-ROM file ISBN 0-9779007-1-1.

Baldizar, J. M. and Rybicki, N. B., 2006, Primary factors influencing water clarity at shallow water sites throughout the Chesapeake and Maryland Coastal Bays. Subcommittee on Sedimentation, 2006. Proceedings of the Federal Interagency Sedimentation Conferences, 1947 to 2006.

Becher, A.E., 1989, Geohydrology and water quality in the vicinity of the Gettysburg National Military Park and Eisenhower National Historic Site, Pennsylvania: U.S. Geological Survey Water-Resources Investigations Report 89-4154

Bell, C.F., Belval, D.L., and Campbell, J.P, 1996, Trends in Nutrients and Suspended Solids at the Fall Line of Five Tributaries to the Chesapeake Bay in Virginia, July 1988 through June 1995: U.S. Geological Survey Water Resources Investigations Report 96-4191, 37 p.

Belval, D.L., and Campbell, J.P., 1996, Water-Quality Data and Estimated Loads of Selected Constituents in Five Tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1993 through June 1995: U.S. Geological Survey Open-File Report 96-220, 79 p.

Belval, D.L., Campbell, J.P., Phillips, S.W., and Bell, C.F., 1995, Water-Quality Characteristics of Five Tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1988 through June 1993: U.S. Geological Survey Water-Resources Investigations Report 95-4258, 71 p.

Belval, D.L., Woodside, M.D., and Campbell, J.P., 1994, Relation of Stream Quality to Streamflow, and Estimated Loads of Selected Water-Quality Constituents in the James and Rappahannock Rivers near the Fall Line of Virginia, July 1988 through June 1990: U.S. Geological Survey Water-Resources Investigations Report 94-4042, 85 p.

Belval, D.L., Campbell, J.P., Phillips, S.W., and Bell, C.F., Water-quality characteristics of five tributaries to the Chesapeake Bay at the Fall Line, Virginia, July 1988 through June 1993: U.S. Geological Survey Water-Resources Investigations Report 95-4258

Belval, D.L., and Sprague, L.A., 1999, Monitoring Nutrients in the Major Rivers Draining to Chesapeake Bay: U.S. Geological Survey Water-Resources Investigations Report 99-4238, 8 p. (Adobe Acrobat PDF format - 2.2 MB)

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Belval, D.L., Woodside, M.D., and Campbell, J.P., 1994, Relation of stream quality to streamflow, and estimated loads of selected water-quality constituents in the James and Rappahannock Rivers near the Fall Line of Virginia, July 1988 through June 1990: U.S. Geological Survey Water-Resources Investigations Report 94-4042 Berks, Lancaster, and Lebanon Counties, Pennsylvania: U.S. Geological Survey Water-Resources Investigations Report 87-4218

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Brakebill, John W., and Preston, Stephen D., 1999, Digital Data Used to Relate Nutrient Inputs to Water Quality in the Chesapeake Bay Watershed, Version 1.0 : U.S. Geological Survey Open-File Report 99-60

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Bricker, O.P. and Rice, K.C., 1989, Acidic deposition to streams: A geology-based method predicts their sensitivity: Environmental Science & Technology, vol. 23, no. 4, p. 379-385

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Cerco, C.F., and Moore, K., 2001, System-wide submerged aquatic vegetation model for Chesapeake Bay: Estuaries, v. 24, no. 4, p. 522–534.

Chambers, Douglas B., and Leiker, Thomas J., 2006, A Reconnaissance for Emerging Contaminants in the South Branch Potomac River, Cacapon River, and Williams River Basins, West Virginia, April-October 2004, U.S. Geological Survey Open-File Report 2006-1393, 28 pages

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Chichester, D.C., 1996, Hydrogeology of, and simulation of ground-water flow in, a mantled carbonate-rock system, Cumberland Valley, Pennsylvania: U.S. Geological Survey Water-Resources Investigations Report 94-4090

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Darrell, L.C., Feit Majedi, B., Lizarraga, J.S., and Blomquist, J.D., 1999, Nutrient and Suspended-Sediment Concentrations, Trends, Loads, and Yields From the Nontidal Part of the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 1985-96: U.S. Geological Survey Water-Resources Investigations Report 98-4177, 38 p.

Debrewer, Linda M., Ator, Scott W., and Denver, Judith M., Factors Affecting Spatial and Temporal Variability in Nutrient and Pesticide Concentrations in the Surficial Aquifer on the Delmarva Peninsula, Online Publication - SIR 2005-5257 56 p.

DeFries, Ruth, 1980, Sedimentation patterns in the Potomac estuary since European settlement: a palynological approach: PhD Thesis, Johns Hopkins University, Baltimore Maryland.

DeFries, Ruth S., 1986, Effects of land-use history on sedimentation in the tidal Potomac Estuary, Maryland: U.S. Geological Survey Water-Supply Paper 2234-K, 23 p.

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Doheny, E.J., Starsoneck, R.J., 2006, Watershed Characteristics and Pre-Restoration Surface-Water Hydrology of Minebank Run, Baltimore County, Maryland, Water Years 2002-04, U.S. Geological Survey Scientific Investigations Report 2006-5179

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Douglas, B.C., 2001, Sea level change in the era of the recording tide gauge, p. 37–64, in Douglas, B.C., Kearney, M.S., and Leatherman, S.P., eds., Sea level rise: History and consequences: San Diego, California, Academic Press, 272 p.

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Koerkle, E.H., Hall, D.W., Risser, D.W., Lietman, P.L., Chichester, D.C., 1996, Evaluation of agricutrural best-management practices in the Conestoga River headwaters, Pennsylvania: U.S. Geological Survey Water-Resources Investigations Report 93-4173

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