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21Published 1969“...United States Department of the Interior, Geological Survey,...”
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22Published 1948“...United States Department of the Interior, Geological Survey,...”
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23Published 1956“...United States Department of the Interior, Geological Survey,...”
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24by Patterson, J. L. (James Lee)“...United States Department of the Interior, Geological Survey,...”
Published 1964
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25by Hendricks, E. L. (Ernest LeRoy), 1909-“...United States Department of the Interior, Geological Survey,...”
Published 1964
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26“...United States Department of the Interior, Geological Survey,...”
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27by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1931
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28by Love, S. K. (Samuel Kenneth), 1903-1995“...United States Department of the Interior, Geological Survey,...”
Published 1968
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29Published 1969“...United States Department of the Interior, Geological Survey,...”
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30by Newell, Frederick Haynes, 1862-1932“...Department of the Interior, United States Geological Survey,...”
Published 1903
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31“...Department of the Interior, United States Geological Survey,...”
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32“...Department of the Interior, United States Geological Survey,...”
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33by Grover, Nathan Clifford, 1868-1956, Hoyt, W. G. (William Glenn), 1886-1971, Lamb, W. A. (William Alfred), 1881-“...United States Department of the Interior, Geological Survey,...”
Published 1923
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34“...United States Department of the Interior, Geological Survey,...”
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35by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1924
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36by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1928
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37by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1929
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38by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1929
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39by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1930
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40by Grover, Nathan Clifford, 1868-1956“...United States Department of the Interior, Geological Survey,...”
Published 1931
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Government Document eBook