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181by Levin, Sara B.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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182by Colman, John A.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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183by Walsh, Gregory J.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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184by Walter, Donald A.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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185by Zimmerman, Marc James, 1947-“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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186by Armstrong, David S.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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187Published 2006“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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188by Walsh, Gregory J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 2011
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189Published 2012“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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190by McCobb, Timothy D.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2011
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191by Bothner, Michael H.“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2010
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192Published 2011“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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193Published 2012“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
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194by Savoie, Jennifer“...U.S. Dept. of the Interior, U.S. Geological Survey,...”
Published 2012
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195by Oldale, Robert N.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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196by Guswa, John H.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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197by Leo, Gerhard W.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1984
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198by Wandle, S. William“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1983
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199by Gay, Frederick B.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1981
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200by LeBlanc, Denis R.“...Dept. of the Interior, U.S. Geological Survey ;...”
Published 1985
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