TY  - BOOK
AU  - Patton,Horace Bushnell
TI  - Geology and ore deposits of the Platoro-Summitville mining district, Colorado,
AV  - QE91 .A4 no. 13
PY  - 1917/// [1918]
CY  - Denver, Col.
PB  - Eames bros. state printers
KW  - Geology, Economic
KW  - Geology
KW  - Colorado
ER  -