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181Published 1987“...Dept. of the Interior, U.S. Geological Survey :...”
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182by Coen, Alban W.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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183by Swisshelm, R. V.“...Dept. of the Interior, U.S. Geological Survey :...”
Published 1987
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184by De Roche, Jeffrey T.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1989
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185Published 1989“...Dept. of the Interior, U.S. Geological Survey ;...”
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186by Eberts, Sandra M.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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187by Koltun, G. F.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1990
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188Published 1986“...U.S. Geological Survey, Dept. of the Interior :...”
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189
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190by Dumouchelle, D. H. (Denise H.)“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1991
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191Published 1992“...U.S. Geological Survey, Dept. of the Interior ;...”
Government Document Book -
192
Government Document Microform Serial -
193by Veley, R. J.“...U.S. Geological Survey, Dept. of the Interior ;...”
Published 1993
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194by Timmons, R. M.“...U.S. Geological Survey, Dept. of the Interior : [Denver, Colo.] :...”
Published 1994
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195by Rowe, Gary L.“...U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services,...”
Published 1999
Government Document Book -
196
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197by Wilson, Karen S.“...Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports,...”
Published 1987
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198by Kolva, James R.“...Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports,...”
Published 1987
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199by Oblinger, Carolyn J.“...Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section,...”
Published 1988
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200by Sherwood, James M. (James Montaigne), 1952-“...U.S. Dept. of the Interior, U.S. Geological Survey ; Available to the public through the National...”
Published 1993
Government Document Book