Show WYOMING METAL production the output of wyoming mines for eleven months of 1913 and an estimate for december according to preliminary figures compiled by charles W henderson of the united states geological survey was for gold 1404 ounces of silver and pounds of copper compared with for gold ounces of silver and pounds of copper in 1912 the principal producing mining districts in wyoming in 1913 were the atlantic city or south pass district fremont county with output in gold bullion and cyanide precipitates and the hartville district platte county with output in silver bearing copper ore |