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American Metal Climax, Inc. (AMAX) added coal production to its diverse mining, metals, and energy concerns on November 1,1969 through a mutually approved merger with Ayrshire Collieries Corporation of Indiana. Ayrshire boasted a long and productive lineage, originating with the first mines established by Scottish immigrant, David Ingle, in the early 1850s near Evansville, Indiana. The Ayrshire name persisted through subsequent purchases of mine shafts by Electric Shovel Coal Corporation in 1927 and a merger with the Patoka Coal Company in 1939, but was rebranded as AMAX Coal Company on January 1, 1972. It became America's third-largest coal producer by 1975. Drilling records in this collection relate to the company's...
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Collection of X-ray diffraction logs collected by the Indiana Geological Survey. Logs are filed by year recorded.
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Work maps at a 7.5-minute quadrangle scale and materials for Special Report 06 publication of the Indiana Geological Survey by Richard L Powell, 1972
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Indiana Geological Survey (IGS) geologist Ned Smith's work maps and information for IGS Guidebook 7; Salem Limestone and Associated Formations in South-Central Indiana, 1954 and IGS Atlas of Mineral Resources of Indiana Maps 8: Map of Bedford-Bloomington Dimension Stone Belt Showing Mills, Quarries, and Outcrop of Salem Limestone, 1956.
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Collection of pamphlets, brochures, and informational booklets from the US Department of the Interior, Indiana Department of Natural Resources, Indiana Department of Conservation, Indiana Geological Survey, Illinois Geological Survey, Kentucky Geological Survey, and more. Most are dated but have general information that could still be useful today.
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