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  1. By: United States. Bureau of Fisheries.
    Publication info: 1880
    Holding Institution: Smithsonian Institution Archives
    Subjects: Field notes  Fish Hawk (Steamer)  Freshwater biology  Logbooks  Potomac River  
    BHL Collections: Smithsonian Field Books collection
  2. By: United States. Bureau of Fisheries.
    Publication info: 1880
    Holding Institution: Smithsonian Institution Archives
    Subjects: Field notes  Fish Hawk (Steamer)  Logbooks  Marine biology  Marine invertebrates  Narragansett Bay  North Atlantic Ocean  Potomac River  Rhode Island  United States  
    BHL Collections: Smithsonian Field Books collection
  3. By: United States. Bureau of Land Management. - United States. Bureau of Land Management. Milwaukee Field Office. - Maryland. Department of Natural Resources.
    Publication info: Milwaukee, Wis, U.S. Department of the Interior, Bureau of Land Management, Milwaukee Field Office, ©2003
    Holding Institution: Bureau of Land Management
    Subjects: Birds  Conservation  Conservation of natural resources  Environmental aspects  Environmental conditions  Habitat  Habitat conservation  Land use  Land use $x Planning  Maryland  Nanjemoy (Md.)  Planning  Potomac River  Potomac River Valley  Public lands  Recreational use  United States  
  4. By: Sylvester, Richard, - Berryman, Clifford Kennedy,
    Publication info: [Washington, s.n, 1915?]
    Holding Institution: University of California Libraries
    Subjects: Fishing  Potomac River  
  5. By: National Museum of Natural History (U.S.) Pacific Ocean Biological Survey Program - Clapp, Roger B. - Clapp, Tina Abbott
    Publication info: 1965
    Holding Institution: Smithsonian Institution Archives
    Subjects: Birds--United States  District of Columbia  Field notes  Herpetology  Ornithology  Potomac River  Reports  Research notes  Snakes--United States  United States  Western rat snake  
    BHL Collections: Smithsonian Field Books collection