Browse Themes - 291 results

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Acid Mine Drainage (Photo Essay)
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(London, England: Science Photo Library), 1 page(s)
Acid mine drainage gives a reddish color to the West Branch of the Susquehanna River, Pennsylvania.
(London, England: Science Photo Library), 1 page(s)
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Activity Report: Federal Water Pollution Control Administration - Northwest Region, February 1967
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written by United States. Department of the Interior. Federal Water Pollution Control Administration, in Records of the Environmental Protection Agency, 1944 - 2006 (RG412). Records Relating to River Basins, 1949 - 1969 (A1 8), of United States. National Archives and Records Administration. Federal Records (1967), Box 4, Colorado River - Activities Report (Willamette River Basin) Feb. - March, 1967, Oregon - Washington , 23 page(s)
written by United States. Department of the Interior. Federal Water Pollution Control Administration, in Records of the Environmental Protection Agency, 1944 - 2006 (RG412). Records Relating to River Basins, 1949 - 1969 (A1 8), of United States. National Archives and Records Administration. Federal Records (1967), Box 4, Colorado River - Activities Report (Willamette River Basin) Feb. - March, 1967, Oregon - Washington , 23 page(s)
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Algae Bloom (Photo Essay)
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(London, England: Science Photo Library), 2 page(s)
Algae bloom photos.
(London, England: Science Photo Library), 2 page(s)
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