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181Published 1995“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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182Published 1995“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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183by Grubbs, J. W.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
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184Published 1994“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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185Published 1996“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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186by Slack, Larry J.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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187by Ferguson, Sheryl“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1996
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188by Harvey, Craig A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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189by Sloto, Ronald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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190by Spangler, Lawrence E.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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191by Robertson, Dale M.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1996
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192Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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193by Hardgree, Melissa“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
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194by Stogner, Robert W.“...U.S. Dept. of the Interior, U.S. Geological Survey :...”
Published 1997
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195by Frankforter, J. D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
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196by Munn, M. D.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
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197by Yost, William P.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1995
Government Document Microform Book -
198Published 1995“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Government Document Microform Book -
199Published 1997“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
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200by Sloto, Ronald A.“...U.S. Dept. of the Interior, U.S. Geological Survey ;...”
Published 1997
Government Document Book