| Reference | {Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 725-A, 1920, P. 49.}{Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 9, 1938, P. 55.}{Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 14-B, 1941,}{Deposit:: P. 27-28.}{Deposit:: U.S. BUREAU OF MINES RI 5238, 1956, P. 9, 15.}{Reserve-Resource:: ALLEN, J. E. CHROMITE DEPOSITS IN OREGON. OREGON STATE BULL.}{Reserve-Resource:: 9, 1941, P. 55.}{Reserve-Resource:: U.S. BUREAU OF MINES WAR MINERALS REPORT 49, 1943, 30 PP.}{Reserve-Resource:: ANONYMOUS. JOHN DAY CHROMIUM DEPOSITS, GRANT COUNTY, OREGON.} |