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161by Snyder, John Parr, 1926-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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162by Krushensky, R. D.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1980
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163by Blackwelder, Blake W.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1981
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164by Daniels, Jeffrey J.“...U.S. Dept. of the Interior, Geological Survey :...”
Published 1980
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165Published 1981“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Book -
166Published 1981“...U.S. Dept. of the Interior, Geological Survey ;...”
Government Document Book -
167by Dion, N. P.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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168by Spicer, Robert A.“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1981
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169by Drewes, Harald, 1927-2015“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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170by Ericksen, George Edward“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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171by McGreevy, L. J. (Laurence James), 1931-“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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172by Meisler, Harold“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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173by Siegel, Donald I.“...U.S. Dept. of the Interior, Geological Survey,...”
Published 1980
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174by Johnson, Ronald C. (Ronald Carl), 1950-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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175by Crittenden, Max D., Jr“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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176Published 1979“...U.S. Dept. of the Interior, Geological Survey ;...”
Government Document Book -
177Published 1980“...U.S. Dept. of the Interior, Geological Survey ;...”
Government Document Book -
178Published 1980“...U.S. Dept. of the Interior, Geological Survey ;...”
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179by Shulters, M. V., 1950-“...U.S. Dept. of the Interior, Geological Survey ;...”
Published 1980
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180Published 1980“...U.S. Dept. of the Interior, Geological Survey,...”
Government Document Book