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Author: Humphrey, Richard Lewis, 1869-1928
Institution: Colorado Mesa University
Collection: Storage Gov Pub
Subject: Geology
Institution
Collection
Format
Subject
3
Coal
Geology
3
Mines and mineral resources
2
Briquets (Fuel)
1
California Altitudes
1
Cement Testing
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1
Coal Testing
1
Coal mine accidents
1
Coal mines and mining
1
Concrete Testing
1
Dwellings Heating and ventilation
1
Fireproofing
1
Fuel Testing
1
Groundwater
1
Locomotives Testing
1
Mammals, Fossil
1
Mine safety
1
Paleontology
1
Petroleum
1
Petroleum Refining
1
Portland cement
1
Smoke prevention
1
Steam-boilers
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Author
Humphrey, Richard Lewis, 1869-1928
2
Randall, Dwight T.
1
Belden, A. W., 1876-1920
1
Brooks, Alfred H. 1871-1924
1
Burrows, John S. 1911-
1
Darton, Nelson Horatio, 1865-1948
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1
Gannett, Samuel S. 1861-1939
1
Gilpin, J. Elliott, 1866-1924
1
Goss, W. F. M. 1859-1928
1
Griswold, W. T., 1859-1931
1
Hall, Clarence
1
Holmes, J. A. 1859-1915
1
Martin, G. C. 1875-1943
1
Mills, James E., 1945-
1
Moldenke, Richard, 1864-1930
1
Osborn, Henry Fairfield, 1857-1935
1
Ray, Walter T.
1
Richardson, G. B. 1872-1949
1
Watteyne, Victor
1
Wright, F. E. 1877-1953
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