TY  - BOOK
AU  - Muilenburg,G.A.
AU  - Wheeler,Harold Leslie
TI  - Manganese deposits of Colorado,
AV  - QE91 .A4 no. 15
PY  - 1919///
CY  - Denver, Colo.
PB  - Eames brothers, state printers
KW  - Manganese ores
KW  - Colorado
N1  - "Bibliography on the occurrence, geology, and mining of manganese, with some references on its metallurgy and uses, comp. by Harold L. Wheeler": p. 54-69
ER  -