Bulletin

50 feet adit Anaconda andesite Argenta assayed Bannack Basin batholith Beaverhead County beds Blue Boulder Bureau of Mines Butte calcite Canyon caved coal consists contains country rock Creek dist deposits Developing dike Dillon dolomite dump east Emmons and Calkins Employees exposed fault feet wide FeOx fissure Flathead Flint Creek Formation galena gneiss granite granodiorite gravel gray clay Gulch Hasmark Helena Inactive iron oxides Kootenai Kootenai River Lake limestone limonite located lode Lost Creek Madison marble miles minerals Mines and Geology Missoula Montana Mountain Open pit Operator ounces of gold ounces of silver Owner Owner-Operator patented claim percent Philipsburg placer portal pounds of copper Precambrian prospect pyrite quarry quartz monzonite quartzite River road sand shale Shenon stained Status Stoped tactite talc thick Tobacco Plains tons Total trench trends tungsten underground vein Wise River zinc zone