TY  - BOOK
AU  - Crawford,R.D.
AU  - Worcester,Philip G.
TI  - Geology and ore deposits of the Gold brick district, Colorado,
AV  - TN24.C6 C8 no. 10
PY  - 1916///
CY  - Denver, Colo.
PB  - Eames bros., state printers
KW  - Geology
KW  - Colorado
KW  - Mines and mineral resources
N1  - Maps and 1 plan in pocket
ER  -