Online Books by
Indiana. Allen County Soil and Water Conservation District
Books from the extended shelves:
Indiana. Allen County Soil and Water Conservation District: Environmental impact of land use on water quality : final report on the Black Creek Project (supplemental comments) (U.S. Environmental Protection Agency, 1977), also by James Lake, James Morrison, and United States Environmental Protection Agency (page images at HathiTrust)
Indiana. Allen County Soil and Water Conservation District: Environmental impact of land use on water quality : final report on the Black Creek Project : technical report (Environmental Protection Agency, Great Lakes National Program Office ;, 1977), also by James L. Lake, James Morrison, United States Environmental Protection Agency, Great Lakes National Program Office, and United States Environmental Protection Agency (page images at HathiTrust; US access only)
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Edited by John Mark Ockerbloom (onlinebooks@pobox.upenn.edu)
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