00933cam a22002531 4500 gs 13000441 DLC 20260227111314.0 760408s1913 xx 000 0 eng gs 13000441 (OCoLC)2102395 DLC TxEU DLC premarc QE91 .A4 no. 4 Crawford, R. D. (Ralph Dixon), 1873- Geology and ore deposits of the Monarch and Tomichi districts, Colorado, by R. D. Crawford. [Denver, Col., The Smith-Brooks printing co., 1913] 317 p. illus., plates (1 double) fold. maps, fold. plans, diagrs. (part fold., 1 col.) 24 cm. Colorado Geological Survey. Bulletin, 4 Some fold. maps, plans, diagrs. are in pocket on back cover. Bibliography: p. 23. Geology Colorado. Mines and mineral resources Colorado. 25263 25263