| Reference | {Deposit:: STRINGHAM, B, 1967, HYDROTHERMAL ALTERATION NEAR HORN SILVER MINE, BEAVER COUNTY, UTAH: UGMS SS #16}{Deposit:: EVERTS, M L, AND KRUPICKA, D C; 1979, UTAH GEOLOGICAL AND MINERAL SURVEY; ON-SITE INVESTIGATION.}{Deposit:: 1913 RECON BUTLER, B S USGS PP #80}{Deposit:: 1920 RECON BUTLER, B S USGS PP #111}{Deposit:: 1967 RECON SEE REF #1}{Production:: EVERTS, M L, 1979, ON SITE INVESTIGATION: UT GEOL AND MIN SUR} |