Author
Averett, Walter R.
1
Barus, Carl, 1856-1935
1
Clark, William Bullock, 1860-1917
1
Darton, Nelson Horatio, 1865-1948
1
Geological Survey (U.S.),
1
Grand Junction Geological Society
1
Holden, Edward S. 1846-1914
1
Keener, James
1
McCann, Franklin T. 1903-
1
Raman, N. D. 1918-
1
Ransome, F. L. 1868-1935
1
Scudder, Samuel Hubbard, 1837-1911
1
Spieker, Edmund M. 1895-1978,
1
Thomas, C. R. (Geologist)
1
Warner, Mont Marcellus
1