Books by Duane A. Asherin:
Books in the extended shelves:
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Asherin, Duane A.: Assessing the relationship between Section 404 and wetland losses : a feasibility study (U.S. Dept. of the Interior, Fish and Wildlife Service, Research and Development, 1989), also by Douglas N. Gladwin, James E. Roelle, U.S. Fish and Wildlife. Research and Development, U.S. Fish and Wildlife, and U.S. Fish and Wildlife Service (page images at HathiTrust)
Find more by Duane A. Asherin at your library, or elsewhere.