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
Published: U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor], 1994“…U.S. Geological Survey ; USGS Earth Science Information Center, Open-File Reports Section [distributor],…”Description: 9 pages : illustrations, maps ; 28 cm.
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Government Document Book -
2
Refining 1970's land-use data with 1990 population data to indicate new residential development
Published: U.S. Geological Survey ; U.S.G.S. Earth Science Information Center, Open-File Reports Section [distributor], 1994“…U.S. Geological Survey ; U.S.G.S. Earth Science Information Center, Open-File Reports Section [distributor],…”Description: vi, 15 pages : illustrations, maps ; 28 cm.
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Government Document Book