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- Geological Survey (U.S.)31
- United States Coast Survey29
- Chesapeake Bay Program (U.S.)23
- United States Coast Survey, issuing body21
- Bache, A. D. (Alexander Dallas), 1806-186720
- United States20
- United States. Congress. Senate. Committee on Governmental Affairs. Subcommittee on Governmental Efficiency and the District of Columbia14
- Geological Survey (U.S.), issuing body13
- U.S. Coast and Geodetic Survey13
- U.S. Fish and Wildlife Service11
- United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Water Resources and Environment11
- United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Water and Wildlife, author9
- Chesapeake Biological Laboratory8
- Langland, Michael J.8
- United States. Army. Corps of Engineers. Baltimore District8
- Lippson, Alice Jane7
- United States. Environmental Protection Agency7
- United States. Environmental Protection Agency. Chesapeake Bay Program7
- Almy, John Jay, 1815-18956
- Chesapeake Bay Program (U.S.), issuing body6