A brief review of the geology of the San Juan region of southwestern Colorado,
Cross, Whitman, 1854-1949.
A brief review of the geology of the San Juan region of southwestern Colorado, by Whitman Cross and Esper S. Larsen. - Washington, U.S. Govt. print. off., 1935. - vi, 138 p. 16 pl. (part fold. incl. maps (2 in pocket) diagrs. 23 cm. - U.S. Geological survey. Bulletin no. 843 .
"Literature": p. 4-6.
gs 35000277
Geology--Colorado--San Juan Region.
QE75 / .B9 no. 843
A brief review of the geology of the San Juan region of southwestern Colorado, by Whitman Cross and Esper S. Larsen. - Washington, U.S. Govt. print. off., 1935. - vi, 138 p. 16 pl. (part fold. incl. maps (2 in pocket) diagrs. 23 cm. - U.S. Geological survey. Bulletin no. 843 .
"Literature": p. 4-6.
gs 35000277
Geology--Colorado--San Juan Region.
QE75 / .B9 no. 843