Geological Survey (U.S.) 394 Geological Survey (U.S.), 157 Massachusetts. Department of Public Works 48 Massachusetts. Department of Environmental Protection 45 United States. Environmental Protection Agency 42 Massachusetts. Division of Water Pollution Control 33 United States. National Park Service 31 Massachusetts. Office of Water Resources 27 United States. National Oceanic and Atmospheric Administration 25 United States. Congress. Senate. Committee on Energy and Natural Resources 23 Valentine, Page C. 23 U.S. Fish and Wildlife Service 22 Butman, Bradford 21 Massachusetts. Department of Environmental Management 21 Baker, Jessica L. 19 Unger, Tanya S. 19 Ries, Kernell G., III, 1955- 18 Massachusetts. Department of Environmental Protection. Office of Watershed Management 17 Oldale, Robert N. 17 United States. Administration on Aging 17 United States. National Park Service. Natural Resource Stewardship and Science, 16 U.S. Geological Survey Toxic Substances Hydrology Program 15 Breault, Robert F. 14 LeBlanc, Denis R. 14 Masterson, John P. 14 Olmsted Center for Landscape Preservation (U.S.) 14 United States. National Park Service, 14 Massachusetts. Division of Water Resources 13 Air Force Center for Environmental Excellence (U.S.) 12 Colman, John A. 12 Walter, Donald A. 12 Desimone, Leslie A. 11 EBSCOhost 11 United States. Congress. House. Committee on Resources 11 Zarriello, Phillip J. 11 Cape Cod Commission 10 Hartshorn, Joseph H. 1922- 10 Massachusetts Coastal Zone Management Office 10 National Renewable Energy Laboratory (U.S.), 10 Oxford Scholarship Online 10 United States. National Guard Bureau 10 Zimmerman, Marc James, 1947- 10 Educational Resources Information Center (U.S.) 9 Hatch, Norman L. 9 Koteff, Carl 9 Massachusetts. Department of Conservation and Recreation 9 Massachusetts. Executive Office of Environmental Affairs 9 Savoie, Jennifer 9 Smith, Kirk P. 9 United States. Congress. House. Committee on Natural Resources 9 United States. National Park Service. North Atlantic Regional Office. Division of Cultural Resources 9 Wandle, S. William 9 Weiskel, Peter K. 9 Barbaro, Jeffrey R. 1960- 8 Bothner, Michael H. 8 Chute, Newton E. 1907-1987 8 Parker, Gene W. 8 State Geological and Natural History Survey of Connecticut 8 Stone, Byron D. 8 Thoreau, Henry David, 1817-1862 8 USGS Science Center for Coastal and Marine Geology (Woods Hole, Mass.) 8 Barlow, Paul M. 7 Hansen, Bruce P. 7 James, Mary-Jane, 7 Lyford, Forest P. 7 Massachusetts. Water Resources Commission 7 United States 7 United States. Congress. House. Committee on Natural Resources, 7 Armstrong, David S. 6 Brown, Margie Coffin, 1963- 6 Building America (Program : U.S.), 6 Carlson, Carl S. 6 Church, Peter E. 6 Cooke, Matthew G. 6 Friesz, Paul J. 6 Johnson, David G. 1957- 6 Massachusetts Water Resources Authority 6 Massachusetts. Highway Department 6 Natural Resource Program Center (U.S.), 6 Nelson, Arthur E. 1922- 6 Olmsted Center for Landscape Preservation (U.S.), 6 Ratcliffe, Nicholas M. 1938- 6 Stone, Janet Radway 6 United States. Bureau of Labor Statistics, 6 United States. Office of Educational Research and Improvement 6 Waldron, Marcus C. 6 Walter, Donald A., 6 Archfield, Stacey A. 1976- 5 Bent, Gardner C., 5 Bradford, William, 1590-1657 5 Bratton, Lisa 5 Breault, Robert F., 5 Cambridge (Mass.). Water Department 5 Emerson, Benjamin Kendall, 1843-1932 5 LeBlanc, Denis R., 5 Massachusetts. Geological Survey 5 Massachusetts. Metropolitan District Commission 5 Massachusetts. Office of the State Geologist 5 Massey, Andrew J. 5 McCobb, Timothy D. 5