| Reference | {Deposit:: U.S. GEOLOGICAL SURVEY BULLETIN 725-A, 1920, P. 52.}{Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 9, 1938, P. 60.}{Deposit:: OR. DEPT. GEOL. AND MIN. INDUST. BULLETIN 14-B, 1941, P. 21.}{Deposit:: U.S. BUREAU OF MINES RI 5238, 1956, P. 9.}{Reserve-Resource:: HUNDHAUSEN, R.J., 1956, JOHN DAY CHROMITE STUDIES,}{Reserve-Resource:: BUMINES RI 5238.} |