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This collection (known internally at Maryland Geological Survey as Component 8) consists of 211 infrared, 9 in. by 9 in. aerial photographs (211 unique frames) flown on a 7.5-minute U.S. Geological Survey (USGS) quadrangle basis. The photographs date from 1988-1989 and were flown or otherwise acquired by the USGS National Aerial Photograph Program (NAPP). The Maryland counties covered by these photographs include Allegany, Anne Arundel, Calvert, Cecil, Charles, Dorchester, Kent, Prince George’s, Queen Anne’s, Somerset, St. Mary’s, Talbot, Washington, and Worcester Counties. The scale of these photographs is not printed on the photographs; however, Maryland Geological Survey (MGS) calculates the scale to be approximately...
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Collection includes cores extracted during drilling operations including the U.S. Geological Survey for the purposes of site investigations in the Meddybemps township. Please contact the Maine Geological Survey to discuss access to the collection.
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Collection includes rock cores extracted during drilling operations for Getty - Mount Chase base metal exploration. Please contact the Maine Geological Survey to discuss access to the collection.
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The Historic Images Collection includes approximately 15,500 photographs, slides, lantern slides and digital media in this collection were taken during the course of geologic, mineral resource, and geologic hazard investigations carried out by Virginia Energy staff beginning in the first half of the 20th century. The collection includes images of important rock outcrops that demonstrate key features of stratigraphic units, fossils indicative of the age of rock formations, outcrop-scale geologic structures such as faults and folds, economically significant minerals and mine sites, and geologic hazards such as landslides and sinkholes. Images are available online in JPG format. High resolution imagery is available...
As part of its Geologic Legacy Program, the NJGWS scanned and digitized documents from recently retired geologist Richard Volkert. These documents scanned included 46 bedrock geology field notebooks.
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Collection includes rock cores extracted during drilling operations by Billiton Metals and Ores for tin exploration in Waterville, Winslow. Please contact the Maine Geological Survey to discuss access to the collection.
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Static metadata (current to August 2018) of Minnesota's borehole geophysical log collection maintained by the Minnesota Geological Survey. This collection is web-accessible through the MGS Open Data Portal at https://z.umn.edu/borehole_geo, where users can obtain the most up-to-date information pertaining to old and new borehole geophysical logs and download corresponding PDF and LAS files for each log (if available). The Borehole Geophysical Database (BGD) is a collection of over 7000 borehole geophysical logs of water wells and drill holes throughout Minnesota. Database collections reside at the Minnesota Geological Survey (MGS) and are continually maintained and expanded upon by MGS staff as part of MGS mapping...
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Collection includes mineral exploration cores originally obtained by the U.S. Bureau of Mines. Exploration for base metals, Mn-slate, alkaline earth elements was conducted. Cores were obtained from the following locations in Maine: Albany, Blue Hill, Brooksville, Buckfield, Hammond, Newry, Spencer Lake, TDR2, T9R3. Please contact the Maine Geological Survey to discuss access to the collection.
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Collection of rock cores extracted during drilling operations conducted for the Maine Yankee nuclear power plant in Wiscasset, Maine. The plant has been decommissioned and removed. Spent nuclear fuel remains on site. Please contact the Maine Geological Survey to discuss access to the collection.
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Collection includes rock cores extracted during drilling operations by Chevron. Please contact the Maine Geological Survey to discuss access to the collection.
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The Maryland Geological Survey (MGS) Drill Cuttings Collection consists of washed and unwashed cuttings from drilling sites throughout Maryland. The collection includes chips from rock drillings as well as cuttings from unconsolidated Coastal Plain sediment drilling. There are approximately 2,600 boxes (15.5” x 5.5” x 3.4”) in the collection. Each box contains between 20-50 envelopes, bags, or vials of cuttings. Thanks to U.S. Geological Survey (USGS) National Geological and Geophysical Data Preservation Program (NGGDPP) grants, approximately 1,999 boxes of drill cuttings containing over 43,500 envelopes have been inventoried as of August 2021. The Drill Cuttings Collection is now primarily stored in the MGS...
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Collection includes rock cores extracted during drilling operations by Knox Mining Corporation for mineral exploration in southern Maine. Drilling operations occured in townships: Appleton, Hope, Union, Waldoboro, Warren. Please contact the Maine Geological Survey to discuss access to the collection.
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about 90% Precambrian, nearly all related to mapping projects, most from recent decades total to the nearest thousand
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This collection (known internally at Maryland Geological Survey as Component 5) consists of 4,720 items – 4,715 black-and-white aerial photographs (4,688 unique frames plus 27 duplicates) and 5 associated index maps. The aerial photographs were flown or acquired by the U.S. Geological Survey (USGS) and organized on a 7.5-minute quadrangle basis. The photographs are black-and-white and approximately 9 in. x 9 in. in size. The scale of the aerial photography varies but ranges from approximately 1:12,000 to 1:35,400. These photographs date from 1936-1991 and were donated to the Maryland Geological Survey (MGS). The index maps serve as a finding aid for several of the flight series flown over five quadrangles...
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Collection of rock cores extracted during drilling operations conducted by Maine Department of Environmental Protection for site investigations in various towns across the State of Maine. Please contact the Maine Geological Survey to discuss access to the collection.
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Collection of rock cores extracted during drilling operations by Mead Paper Company for mineral exploration in the Parmachenee Township. Please contact the Maine Geological Survey to discuss access to the collection.
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Collection of rock cores extracted during drilling operations involving Fraser Paper at the Moro Plantation for base metals and at Maple-Hovey for manganiferous slate. Please contact the Maine Geological Survey to discuss access to the collection.
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Thin sections, nearly all Precambrian rocks, nearly all related to mapping projects; many several decades old total to the nearest thousand
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Geodatabase of locations of current and historic mineral extraction and exploration activity including attribute data. Web map interface to query and export locations, attributes, and references.
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Collection of rock cores extracted during drilling operations conducted by Newmont Mining Corporation for mineral exploration in townships: T13R8, T15R6. Please contact the Maine Geological Survey to discuss access to the collection.


map background search result map search result map Collection of U.S. Bureau of Mines rock cores in Maine Collection of USGS Meddybemps rock cores Collection of Thin Sections from Minnesota Collection of Hand Samples from Minnesota Collection of Fraser Paper rock cores Collection of Mead Paper Company rock cores Collection of Getty - Mount Chase rock cores Collection of Billiton Metals and Ores rock cores Collection of Maine Department of Environmental Protection rock cores Collection of Maine Yankee rock cores Collection of Knox Mining Corporation rock cores Collection of Newmont Mining Corporation rock cores Historic Images (Virginia) Collection of Drill Cuttings from MD Database of the Mines and Prospects of Idaho Collection of Chevron rock cores Quad-Based Aerial Photographs, 1936-1991 Quad-Based Infrared Aerial Photographs, 1988-1989 Rich Volkert, Former Geologist, Field Notes Collection of Borehole Geophysical Logs from Minnesota Rich Volkert, Former Geologist, Field Notes Quad-Based Infrared Aerial Photographs, 1988-1989 Collection of Drill Cuttings from MD Quad-Based Aerial Photographs, 1936-1991 Collection of U.S. Bureau of Mines rock cores in Maine Collection of USGS Meddybemps rock cores Collection of Fraser Paper rock cores Collection of Mead Paper Company rock cores Collection of Getty - Mount Chase rock cores Collection of Billiton Metals and Ores rock cores Collection of Maine Department of Environmental Protection rock cores Collection of Maine Yankee rock cores Collection of Knox Mining Corporation rock cores Collection of Newmont Mining Corporation rock cores Collection of Chevron rock cores Historic Images (Virginia) Database of the Mines and Prospects of Idaho Collection of Borehole Geophysical Logs from Minnesota Collection of Thin Sections from Minnesota Collection of Hand Samples from Minnesota