Show CONTENTS OF THIS ISSUE petroleum and natural gas in wyoming by W R calvert 13 microscopic geology by benj beni F tibby 18 18 butte and superior annual 19 coal and hydrocarbons 19 coeur calenes dA lenes 1913 output 20 annual report of utah copper 21 dry cleaning bituminous coal 21 steel structure for placer machine 22 developments at the packard 23 effect of conditions in mexico editorial 24 the flotation decision editorial 24 butte superior 25 the prospector and his burro by will C higgins 25 fellowships in metallurgy 27 rochester nevada items 28 hyde process does not infringe 29 around the state 3 32 construction news 33 mine and smelter building 33 engineers and fillmen 34 development at tonopah 35 personal mention 35 in adjoining states 36 chino in first quarter 39 the markets trade notes 40 |