Call Number (LC) Title Results
I 28.27:8699 Economic evaluation of a process for ferric chloride leaching of chalcopyrite concentrate / 1
I 28.27:8700 Uranium from the Chattanooga shale : some problems involved in development / 1
I 28.27:8701 Sulfur dioxide emission control in Japanese copper smelters / 1
I 28.27:8702 Time required in developing selected Arizona copper mines / 1
I 28.27:8703 Basic estimated capital investment and operating costs for coal strip mines : revision of Information circular 8661 / 1
I 28.27:8704 Historical fuels and energy consumption data, 1960-72, United States by census districts east of the Mississippi / 1
I 28.27:8705 Historical fuels and energy consumption data, 1960-72, United States and census districts west of the Mississippi / 1
I 28.27:8706 Coal transportation practices and equipment requirement to 1985 / 1
I 28.27:8707 The state of the U.S. coal industry : a financial analysis of selected coal-producing companies with observations on industry structure / 1
I 28.27:8708 Helium resources of the United States, 1973 / 1
I 28.27:8709 Coal mine illumination : proceedings, Bureau of Mines Technology Transfer Seminars. 1
I 28.27:8710 Coal mine equipment forecast to 1985 / 1
I 28.27:8711 Recycling trends in the United States : a review / 1
I 28.27:8712 XRF4-computer programing for X-ray analysis / 1
I 28.27:8713 Strippable coal resources of Colorado : location, tonnage, and characteristics of coal and overburden / 1
I 28.27:8714 Assaying ores, concentrates, and bullion / 1
I 28.27:8714r Assaying ores, concentrates, and bullion / 1
I 28.27:8715 Basic estimated capital investment and operating costs for underground bituminous coal mines developed for longwall mining / 1
I 28.27:8716 Bibliography of investment costs, operating costs, and related economic information for the mineral industries, January-December 1975 / 1
I 28.27:8717 Analyses of natural gases, 1975 / 1