Snake River Bog Iron

USBM MIN. EXAM. FILEPATTON, H.B., 1909, THE MONTEZUMA MINING DISTRICT OF SUMMIT COUNTY, COLORADO: COLORADO GEOLOGICAL SURVEY, FIRST REPORT, 1908, P. 105-144.CONSV. DIV. COMP. DATE, 8,65WILSON, ANNA B., AND LAROCK, EDWARD J., 1991, ASCII DATABASE FOR PRINCIPAL LODE MINES AND MINERALIZED AREAS IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 91-0027A AND B, 22 P. AND ONE DISKETTE.WILSON, ANNA B., AND LAROCK, EDWARD J., IN PRESS, MINERALIZED AREAS AND PRINCIPAL LODE MINES IN SOUTHERN SUMMIT COUNTY, COLORADO, U.S. GEOLOGICAL SURVEY MISCELLANEOUS FIELD STUDIES MAP MF-2163, SCALE 1:50,000.