Show SURVEY REPORTS ON COTTONWOODS Bulletin Issued Dealing With Geology: and the Ore Deposits of Mines j Ow ng to the uniiBua nterest now be Ing shown n the Utt e and the B g Cot tonwood d s rlcts the Un ted S atee geo logical survey has issued bu etln No 6 0 1 en t ed A. Reconnaissance of he Cottonwood Amer can Fork M n ng Re gion of Ltah It has been wr tten by B S But er and G F Lough n wi h notes on the h story and production of the district by Victor C Heikes The au hora d scuss the genera geo logfea features taking up the sedt mentary rocks the Igneous rocks he fold ng faulting and the m neral zed fis sures and faul s The authors a so d s cuss the ore deposits ca ling attent on to the fact that all of the deposits of com mercial importance that have been de veloped up to the present time occur in the sedimentary rocks The contact depos ts the fissure de posits and the veins In the Little and the B g Cottonwood d s tricts are discussed attention being ca ed to the various m nes In the d s tricts The American Fork district Is discussed in re atlon to the bedded deposits and a brief historj is given of the f rst mining done in that section |