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Indiana Geological Survey archive of materials about the Salem Limestone. Information form newspaper clippings, professional articles, and other miscellaneous sources.
Categories: Physical Item; Types: Collection; Tags: Reference, ndc_collection
Material collected by the industrial minerals section of the Indiana Geological Survey pertaining to gypsum. Materials are in the following format: photos, film, negatives, illustrations, cross-section blue prints, mylars, and project files and maps alphabetized by county.
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The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons used in The National Map viewer for reference and to download data. At 1:24,000-scale (24K), the standard map size is 7.5 minutes of latitude by 7.5 minutes of longitude. At 1:100,000-scale (100K), the standard map size is 30 minutes of latitude by 60 minutes of longitude. The National Map viewer allows free download of public domain USGS map indices data in Esri File Geodatabase format.
The Historic Materials collection consists of items that were used in field research in the past. This includes, but is not limited to, mapping tools, protective equipment, and geolocation trackers.
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The USGS Map Indices service from The National Map (TNM) consists of 1x1 Degree, 30x60 Minute (100K), 15 Minute (63K), 7.5 Minute (24K), and 3.75 Minute grid polygons used in The National Map viewer for reference and to download data. At 1:24,000-scale (24K), the standard map size is 7.5 minutes of latitude by 7.5 minutes of longitude. At 1:100,000-scale (100K), the standard map size is 30 minutes of latitude by 60 minutes of longitude. The National Map viewer allows free download of public domain USGS map indices data in Esri File Geodatabase format.
Collection of USGS 7.5-minute quadrangles used by Indiana Geological Survey industrial mineral geologists in the field. Contain data points, outlines, and information.
Collection of Memorandum Reports compile by the Industrial Minerals Section of the Indiana Geological Survey. Reports contain information including: owner, location, production, operations, analysis, and geology.
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This collection of maps includes a variety of maps that convey attributes of the petroleum industry and its relationship to subsurface geology in Indiana. These include: well location, sample, producing horizon, structure, isopach, and porosity distribution maps. The maps are stored in 15 flat files and 10 file cabinets. The maps range in size from 8”x11” to 36”x42”