Search Results - Covert, S. Alex
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1
Ohio aquatic gap analysis--an assessment of the biodiversity and conservation status of native aquatic animal species by Covert, S. Alex
Published: U.S. Geological Survey, 2007Description: 1 electronic text (ix, 509 pages) : HTML, digital, PDF file.Call Number: Loading…Get full text
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2
Comparison of U.S. Geological Survey and Ohio Environmental Protection Agency fish-collection methods using the index of biotic integrity and modified index of well-being, 1996-97 by Covert, S. Alex
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2000Description: vi, 17 pages : digital, PDF file.Call Number: Loading…Get full text
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3
Comparison of U.S. Geological Survey and Ohio Environmental Protection Agency fish-collection methods using the index of biotic integrity and modified index of well-being, 1996-97 by Covert, S. Alex
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2001Description: vi, 18 pages : illustrations, map ; 28 cm.Call Number: Loading…ACCESS THIS RESOURCE via WWW (pdf version)
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Water quality of the Mahoning River and selected tributaries in Youngstown, Ohio by Stoeckel, Donald M.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2002Other Authors: “…Covert, S. Alex…”Description: v, 45 pages : illustrations, maps ; 28 cm.
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5
Water quality of the Mahoning River and selected tributaries in Youngstown, Ohio by Stoeckel, Donald M.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2002Other Authors: “…Covert, S. Alex…”Description: v, 45 pages : digital, PDF file.
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