Molybdenum deposits of Colorado, with general notes on the molybdenum industry,
Worcester, Philip G. 1884-
Molybdenum deposits of Colorado, with general notes on the molybdenum industry, by P. G. Worcester. - Denver, Colo., Eames bros., state printers, 1919. - vii, [1], 131 p. illus. 23 cm.
Bibliography: p. 120-123.
gs 19000331
Molybdenum--Colorado.
QE91 / .A4 no. 14
Molybdenum deposits of Colorado, with general notes on the molybdenum industry, by P. G. Worcester. - Denver, Colo., Eames bros., state printers, 1919. - vii, [1], 131 p. illus. 23 cm.
Bibliography: p. 120-123.
gs 19000331
Molybdenum--Colorado.
QE91 / .A4 no. 14