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Sediment deposition in Lake Clarke, Lake Aldred, and Conowingo Reservoir, Pennsylvania and Maryland, 1910-93 / by Lloyd A. Reed and Scott A. Hoffman ; prepared in cooperation with the Pennsylvania Department of Environmental Protection, Bureau of Land and Water Conservation. (Water-resources investigations report ; 96-4048)

Sediment deposition in Lake Clarke, Lake Aldred, and Conowingo Reservoir, Pennsylvania and Maryland, 1910-93 / by Lloyd A. Reed and Scott A. Hoffman ; prepared in cooperation with the Pennsylvania Department of Environmental Protection, Bureau of Land and Water Conservation. (Water-resources investigations report ; 96-4048)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1997.<NA179-A46>
National Diet Library
  • Author Heading...fman, Scott A. Pennsylvania. Bureau of Land and Water Conservation. Geological Survey (U.S.)

Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91 / by Edward H. Koerkle and Linda C. Gustafson-Minnich ; with a section of "Benthic Macroinvertebrates" by Michael D. Bilger ; prepared in cooperation with the Pennsylvania Department of Environmental Protection, Bureau of Land and Water Conservation. (Water-resources investigations report ; 97-4048)

Surface-water quality changes after 5 years of nutrient management in the Little Conestoga Creek headwaters, Pennsylvania, 1989-91 / by Edward H. Koerkle and Linda C. Gustafson-Minnich ; with a section of "Benthic Macroinvertebrates" by Michael D. Bilger ; prepared in cooperation with the Pennsylvania Department of Environmental Protection, Bureau of Land and Water Conservation. (Water-resources investigations report ; 97-4048)
Paper図書
U.S. Dept. of the Interior, U.S. Geological Survey1997.<ME354-A189>
National Diet Library
  • Author Heading... Survey (U.S.) Pennsylvania. Bureau of Land and Water Conservation.

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