galena that had been recently found in the Tenmile district, Summit County. In his booklet, which today would...Indications of the principal metals produced by each district will give the knowledgeable collector some hints...hints as to the principal ore minerals in each district. I have made no attempt to list directions to the...LOCALITIES BOULDER COUNTY Locality 1.-Gold Hill district, Copper King mine. Bravoite, cobaltite, garnierite...miles northwest of Boulder. Locality 2.-Jamestown district, cerite deposits. Allanite, cerite, epidote, |