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This collection includes records for non-water wells in Indiana. Some County Strat Test (CST) wells are pretty shallow boreholes located within the state. Most are related to petroleum exploration and development efforts. Data includes completion reports, scout tickets, geophysical logs, sample descriptions and test results. Some records include small-scale geophysical and colored driller's logs. This collection is housed in the Records Center at the Indiana Geological and Water Survey, Indiana University, Bloomington, and is accessible by appointment.
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Samples are collected by MGS staff at outcrops, from auger drill holes, and rotary sonic drill holes. Samples are processed by student technicians to determine sample texture (% gravel, sand, silt, and clay). Approximately 100-150 grams of original sample is stored in a packet along with subpackets of the gravel fraction, 1-2 mm sand fraction, and <2 mm sand fraction. All lab data are recorded on paper lab sheets stored in the lab. Technicians also enter data into the MGS lithological database. Grain count analyses have been completed by glacial geologists on somewhere between 25 and 50% of these samples. These results are also recorded on paper sheets and in the database.
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The Arizona Department of Mines and Mineral Resources operated from 1940 to 2011 to promote the development of Arizona's mineral resources through technical and educational processes. This collection mainly consists of large maps that were flat or rolled upon arrival at ADMMR. Maps that were interfiled in reports remain with their respective collections. Many of these maps were the original drawings from field investigations of the U.S. Bureau of Mines. Reduced or slightly modified versions are often found reproduced in U.S. Bureau of Mines reports describing Arizona’s mineral resources organized by commodity or mineral district. The maps reflect the changing nature of mining and exploration in Arizona during the...
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Roland Mulchay was the chief geologist for the Anaconda mining company at Cananea. He either examined or received submittals and professional reports on many properties located in the southwestern U.S., northern Mexico and throughout the world. He was employed by Anaconda Mining Company and subsidiaries 1925 –1966. He retired as Assistant Chief Geologist February 1966. He then worked as a consulting geologist on various projects in United States, Mexico and South America. The collected files principally cover Arizona, Utah and Mexico.
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In the 1930’s the Reconstruction Finance Corporation was created by the Federal Government to finance the development and operation of gold, silver and tin mines. The funds were to come from the “Silver Purchase Act” which purchased silver from the miners for 71 cents per ounce and produced coins valued at $1.29. In previous years the loans were only available to gold, silver and tin mines but the law was amended in 1941 making the funds available to operators of all metal mines. The RFC contacted the Department asking it to provide an analysis and review of applications from Arizona for preliminary development loans. The Board meeting of 7/11/42 authorized the Department to enter into an agreement with the Reconstruction...


map background search result map search result map Indiana Non-Water Well Logs and Accompanying Data Collection of Sediment Samples from Minnesota Roland Mulchay mining collection Reconstruction Finance Corporation Arizona records Arizona Department of Mines and Mineral Resources Maps collection Indiana Non-Water Well Logs and Accompanying Data Roland Mulchay mining collection Reconstruction Finance Corporation Arizona records Arizona Department of Mines and Mineral Resources Maps collection Collection of Sediment Samples from Minnesota