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161by Weir, Gordon W. (Gordon Whitney), 1922-2011“...U.S. Geological Survey,...”
Published 1969
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162
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163
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164by Withington, Charles F. (Charles Francis), 1930-“...U.S. Geological Survey,...”
Published 1969
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165
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166by Luft, Stanley Jeremie, 1927-“...U.S. Geological Survey,...”
Published 1969
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167
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168
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169by Weir, Gordon W. (Gordon Whitney), 1922-2011“...U.S. Geological Survey,...”
Published 1967
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170
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171
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172
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173
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174
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175by Jenkins, Evan Cramer, 1931-“...U.S. Geological Survey,...”
Published 1967
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176
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177by Gualtieri, J. L. (James L.), 1924-“...U.S. Geological Survey,...”
Published 1967
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178by Simmons, George Clarke, 1923-“...U.S. Geological Survey,...”
Published 1967
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179by Gildersleeve, Benjamin, 1907-“...U.S. Geological Survey,...”
Published 1968
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180