Search Results - U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor],

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    Nonpoint and point sources of nitrogen in major watersheds of the United States by Puckett, Larry J.

    Published: U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor], 1994
    Description: 9 pages : illustrations, maps ; 28 cm.
    “…U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor],…”
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    Nonpoint and point sources of nitrogen in major watersheds of the United States
  2. 2

    Refining 1970's land-use data with 1990 population data to indicate new residential development by Hitt, Kerie J.

    Published: U.S. Geological Survey ; U.S.G.S. Earth Science Information Center, Open-File Reports Section [distributor], 1994
    Description: vi, 15 pages : illustrations, maps ; 28 cm.
    “…U.S. Geological Survey ; U.S.G.S. Earth Science Information Center, Open-File Reports Section [distributor],…”
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    Refining 1970's land-use data with 1990 population data to indicate new residential development

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