Reference | {Deposit:: PERRY, L.I. AND MCCARTHY, B.M., 1976 LEAD AND ZINC IN UTAH, UTAH GEOLOGICAL AND MINERAL SURVEY, OPEN - FILE REPORT NO. 2}{Deposit:: 1913 RECON BUTLER, B.S., USGS PP #80}{Deposit:: 1920 RECON BUTLER, B.S., USGS PP #111}{Production:: EVERTS, M.L., 1979, ON SITE INVESTIGATION: UT. GEOL. AND MIN. SUR.} |