TY  - BOOK
AU  - Worcester,Philip G.
TI  - Molybdenum deposits of Colorado,: with general notes on the molybdenum industry,
AV  - QE91 .A4 no. 14
PY  - 1919///
CY  - Denver, Colo.
PB  - Eames bros., state printers
KW  - Molybdenum
KW  - Colorado
N1  - Bibliography: p. 120-123
ER  -