Geology and ore deposits of the Gold brick district, Colorado
By: by R. D. Crawford and P. G. Worcester.
Contributors: Worcester, Philip G. b. 1884, joint author.
Publisher: Eames bros., state printers
Published: 1916
Place of publication: Denver, Colo
Language: eng
Number of pages: 116
Subjects: Geology -- Colorado.; Mines and mineral resources -- Colorado.
Notes: Maps and 1 plan in pocket.