Reference | {Deposit:: BANCROFT, H, 1911, RECONNAISSANCE OF THE ORE DEPOSITS IN}{Deposit:: NORTHERN YUMA COUNTY, ARIZONA: U S GEOL SURVEY BULL}{Deposit:: 451, P 68-71.}{Deposit:: U.S. BUREAU OF MINES OPEN-FILE REPORT MLA 50-87, 1987,}{Deposit:: APPENDIX B, NO. 28, P. 97.} |