Reference | {Deposit:: USBM FILES - TRINITY GEM 179, PATENTED}{Deposit:: ABGMT CLIPPINGS FILES}{Deposit:: ABGMT- USBM FILE DATA}{Deposit:: AZ DEPT MIN RESOURCES FILE DATA}{Deposit:: A.I.M.E. VOL. XI P 287, 289}{Deposit:: BLACET, P.M., 1968, UNPUBLISHED PH.D., STANFORD UNIV.}{Deposit:: USGS GQ MAP GQ-997} |