TY  - BOOK
AU  - Crawford,R.D.
TI  - Geology and ore deposits of the Monarch and Tomichi districts, Colorado,
AV  - QE91 .A4 no. 4
PY  - 1913///]
CY  - [Denver, Col.
PB  - The Smith-Brooks printing co.
KW  - Geology
KW  - Colorado
KW  - Mines and mineral resources
N1  - Some fold. maps, plans, diagrs. are in pocket on back cover; Bibliography: p. 23
ER  -