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This map set contains unpublished maps, cross- sections, and related information archived by the State Geological and Natural History Survey of Connecticut as part of the Survey Library Collection. These materials have not been reviewed for accuracy, consistency, or completeness. For many geographic areas, more current information exists, either in published or unpublished form. For the most part, these materials were developed under research and mapping agreements between the State Geological Survey and individual scientists, academic institutions, or graduate students. Some of these materials have been received by the State Geological Survey as donations. The veracity of the information contained within these...
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Geoscientific collections managed by Maine Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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Geoscientific collections managed by North Dakota Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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Geoscientific collections managed by Tennessee Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections. Please note that all of the downloadable files are in .csv format, and some use the pipe symbol (|) as the delimeter instead of a comma (,).
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Continuous bedrock core from about 50 sites across CT. Stored in 1100 boxes. This collection has been rescued three times since its formation in the late 1980's. Formerly administrative responsibility was shared between the University of Connecticut Dept. of Geology and Geophysics (now disbanded) and the Dept. of Environmental Protection, Geological and Natural History Survey. The State Survey now houses the collection and is the sole administrator.
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Geoscientific collections managed by Kentucky Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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Geoscientific collections managed by California Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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Location data for exploratory, sciencific, or engineering borings conducted statwide since the early 1900s. Drill Core and/or other samples from a large number of these borings are stored in the DNR's Drill Core Library in Hibbing, Minnesota. For more information on the drill core library please vist the DNR's webpage: http://www.dnr.state.mn.us/lands_minerals/dc_library.html
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The Minnesota Department of Natural Resources (DNR) completed an inventory of the holdings of the DNR Drill Core Library (DCL). The Drill Core Library facility contains geologic materials including drill core, rotasonic samples, cuttings, pulps and rejects, processed materials, peat, thin sections, thin section billets and hand samples. The inventory project also included identifying space and preservation issues, beginning the process of centralizing and standardizing the administrative databases for all holdings, and making more information within the DCL publicly available.
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Most projects conducted by the MWRA have attached to them a geotechnical report and accompanying environmental information. There are also eighteen marine drilling reports on work in the Boston Harbor, as well as, two hardbound copies on the Geology of the Waschusett Reservoir Area. All reports are stored in the library at the main facility in Chelsea; however, not all project managers turn over reports to the librarian for storage. Most projects conducted by the MWRA, related to the construction of water and sewer lines, have attached with them, a geotechnical report and accompanying environmental information. Other paper reports include: eighteen marine drilling reports from work in Boston Harbor; as well as two...
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Open File Report 2022-5, Precambrian Basement Map of Wyoming: Structural Configuration, is a statewide map contoured using a 1,000-foot interval. Compiled at the scale of 1:500,000, the map is available for print, can be downloaded as a digital database, or can be viewed through the agency’s Interactive Oil and Gas Map of Wyoming. A brief report accompanies the map and details the study’s methods and results. "Basement" refers to very old crystalline rocks that comprise the core of most mountain ranges and define the structure of the adjacent basins. In Wyoming, basement rocks are Precambrian-age (more than 541 million years old) igneous and metamorphic rocks. Within the basins, and above the Precambrian basement,...
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Geoscientific collections managed by Alaska Division of Geological and Geophysical Surveys (DGGS) are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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The Arkansas Geological Survey (AGS) is the curator for the Norman F. Williams Well Sample Library and maintains well cuttings and core samples as a permanent record of rock strata that have been penetrated by wells drilled in Arkansas. Driller logs housed at the Survey contain the down hole information about the geology in the state. Each log gives the depth in feet along with the discription of material being drilled and the depth it accurs. The logs cover wells drilled in the early 1900’s to 1950’s and dispersed throughout the state giving statewide subsurface information.
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This collection includes field notes, interpretive geologic field maps, field station location maps, and other project materials, many of which are unpublished and archived by the Alaska Division of Geological and Geophysical Surveys. These materials have not been reviewed for accuracy, consistency, or completeness. The collection may contain data and documents pertaining to all related fields of geology, including oil and gas, geologic engineering, minerals industry, scientific data, and agency archives.
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The Core Research Center (CRC) was established in 1974 by the USGS to preserve valuable samples of the Earth’s subsurface for use by scientists and educators representing government, industry, and academia. The CRC collections include full-diameter rock cores, slabbed cores (cut in half longitudinally), well cuttings, thin sections, and associated analytical data. A majority of the material was donated to the CRC by private industrial companies, although some cores and cuttings were collected by the USGS and other government agencies. Rock cores were collected from roughly 9,500 drilled borehole locations representing approximately 610,000 meters (2 million feet) of subsurface strata in 35 states. Many of the boreholes...
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Geoscientific collections managed by Delaware Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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Geoscientific collections managed by Montana Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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Geoscientific collections managed by New Hampshire Geological Survey are aggregated in the National Digital Catalog to enhance discovery and use of valuable samples and data for further scientific research. Contact information and material access instructions are provided for the individual collections.
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The New Jersey Zinc Company Historical Collection contains details of mining operations at the Austinville-Ivanhoe underground lead-zinc mines located in Wythe County in southwestern Virginia from 1902 to 1981. This site also operated under the name Bertha Mineral Company. The records pertain mainly to the historic Austinville-Ivanhoe underground lead-zinc mines located in Wythe County. The site produced zinc and lead from underground mines in the historic Austinville-Ivanhoe mineral district located in Wythe County. During this nearly 80-year span of continuous mine operations near Austinville, the company also conducted base metals exploration in other regions of Virginia, including the Timberville lead-zinc...


map background search result map search result map Kentucky Geological Survey USGS Core Research Center Delaware Geological Survey Maine Geological Survey Montana Bureau of Mines and Geology New Hampshire Geological Survey North Dakota Geological Survey Tennessee Geological Survey Alaska Division of Geological & Geophysical Surveys California Geological Survey Collection of paper reports from Massachusetts Collection of Rock cores from Connecticut Connecticut Unpublished Surficial Geology Maps Collection of field notes, unpublished maps and other materials from Alaska Borehole Maps and Logs Created During Interstate 80 Construction New Jersey Zinc Company Historical Collection (Virginia) Arkansas Geological Survey Driller Log Collection Precambrian Basement Map of Wyoming: Structural Configuration (2022) Minnesota Drill Core Library Inventory Collection of Exploration, Scientific, and Engineering Boring Hole Locations in Minnesota Minnesota Drill Core Library Inventory Delaware Geological Survey Connecticut Unpublished Surficial Geology Maps Collection of Rock cores from Connecticut Borehole Maps and Logs Created During Interstate 80 Construction New Hampshire Geological Survey Collection of paper reports from Massachusetts Tennessee Geological Survey Arkansas Geological Survey Driller Log Collection Maine Geological Survey Kentucky Geological Survey North Dakota Geological Survey New Jersey Zinc Company Historical Collection (Virginia) Precambrian Basement Map of Wyoming: Structural Configuration (2022) Collection of Exploration, Scientific, and Engineering Boring Hole Locations in Minnesota Montana Bureau of Mines and Geology California Geological Survey Alaska Division of Geological & Geophysical Surveys Collection of field notes, unpublished maps and other materials from Alaska