Open-file Reports and Maps
Several Geologic Maps are available in GeoPDF Format
Geopdfs are an electronic map product that have all the same features of regular pdfs but also have location information as part of the map attributes. Using the Avenza Maps App, geopdfs of topographic maps, geologic maps, and other maps in geopdf format can be viewed on the iphone, ipad, and Android devices.
For information about the Avenza application see: Iphone/Ipad Android Devices
The main advantage of using geopdfs on iphone, ipad, or an Android device is that you do not need a data connection to access the maps. All of the map data is on the device.
Important note for ipad and other tablet users, the basic model tablets may not have a built in GPS.
If you have any problems with the GeoPDF's, please email Michael.Medina@deq.nc.gov or pbradley@deq.nc.gov
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Description |
Purchase |
Digital |
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OFR 2024-07 |
Surficial Geologic Map with Top of Cretaceous Formation Structural Contours in the RALEIGH 30 x 60 Minute Quadrangle, North Carolina |
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OFR 2024-06 |
Surficial Geologic Map with Top of Bedrock Structural Contours in the RALEIGH 30 x 60 Minute Quadrangle, North Carolina |
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OFR 2024-05 |
Bedrock Geologic Map of the Spruce Pine 7.5-minute Quadrangle, Mitchell, Avery and McDowell counties |
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Coming Soon |
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OFR 2024-04 |
Bedrock Geologic Map of the Micaville 7.5-minute Quadrangle, Yancey and Mitchell Counties, North Carolina |
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Coming Soon |
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OFR 2024-03 |
Bedrock Geologic Map of the Burnsville 7.5-minute Quadrangle, Yancey and Mitchell Counties, North Carolina |
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Coming Soon |
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OFR 2024-02 |
Digital database of the compiled geologic map with borehole database and stratigraphic framework (top of Bedrock and top of Cretaceous formation structural contours) for the Coastal Plain portion of the Raleigh 30' x 60' Quadrangle (Raleigh 100K), North Carolina (in GeMS Level 3) |
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ArcPro geodatabase package Available upon request |
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OFR 2024-01 |
Digital database of the compiled bedrock geologic map of the Raleigh 30' x 60' Quadrangle (Raleigh 100K), North Carolina (in GeMS Level 3) |
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ArcPro geodatabase package Available upon request |
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OFR 2023-01 |
Bedrock geologic map of the Snow Camp, Kimesville and northern portions of the Crutchfield Crossroads and Liberty 7.5-minute quadrangles, Alamance, Randolph, and Guilford counties, North Carolina – Part of the Chapel Hill 100K compilation project |
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OFR 2022-07 |
Geologic Map of the FARMVILLE 7.5-minute Quadrangle, Northern Half, Pitt and Greene Counties, North Carolina |
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OFR 2022-06 |
Bedrock Geologic Map of the CELO 7.5-minute Quadrangle, Yancey, McDowell and Mitchell Counties, North Carolina |
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OFR 2022-05 |
Geologic Map of the North Carolina portion of the DANVILLE 30x60 minute Quadrangle, North Carolina |
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OFR 2022-04 |
Groundwater Features Map of CHATHAM County and surrounding areas, North Carolina |
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OFR 2022-03 |
Compiled Geologic Map of the CHATHAM County and surrounding areas, North Carolina |
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OFR 2022-02 |
Geologic Map of the SAXAPAHAW 7.5-minute Quadrangle, Alamance and Orange Counties, North Carolina. Supersedes OFR-2011-04 |
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OFR 2022-01 |
Geologic Map of the SILK HOPE 7.5-minute Quadrangle, Chatham and Alamance Counties, North Carolina. Supersedes OFR-2014-02 |
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OFR 2021-04 |
Geologic Map with Geomorphic Landscape Elements of the FOUNTAIN 7.5-minute, Northeast Quadrant, North Carolina |
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OFR 2021-03 |
Bedrock Geologic Map of the LITTLE SWITZERLAND 7.5-minute Quadrangle, McDowell and Mitchell Counties, North Carolina |
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OFR 2021-02 |
Geologic Map of the MERRY OAKS 7.5-minute Quadrangle, Chatham and Lee Counties, North Carolina |
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OFR 2021-01 |
Geologic Map of the MONCURE 7.5-minute Quadrangle, Lee and Chatham Counties, North Carolina |
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OFR 2020-08 |
Geologic Map with Geomorphic Landscape Elements of the FALKLAND 7.5-minute Quadrangle, Northwest Quadrant, North Carolina |
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OFR 2020-07 |
Bedrock Geologic Map of the MARION WEST 7.5-minute Quadrangle, McDowell County, North Carolina |
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OFR 2020-06 |
Geologic Map of the GOLDSTON 7.5-minute Quadrangle, Chatham, Lee and Moore Counties, North Carolina |
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OFR 2020-05 |
Bedrock Geologic Map of the MOFFITT HILL 7.5-minute Quadrangle, McDowell, Rutherford and Buncombe Counties, North Carolina Supersedes OFR-2019-07 |
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OFR 2020-04 |
Geologic Map of the COLON 7.5-minute Quadrangle, Lee and Chatham Counties, North Carolina |
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OFR 2020-03 |
Bedrock Geologic Map of the WARRENTON 7.5-minute Quadrangle, Warren County, North Carolina Supersedes OFR-2018-09 |
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OFR 2020-02 |
Bedrock Geologic Map of the VICKSBORO 7.5-minute Quadrangle, Warren, Vance and Franklin Counties, North Carolina Supersedes OFR-2018-11 |
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OFR 2020-01 |
A Primer for the use of Satellite Imagery in Geologic Investigations, North Carolina Geological Survey |
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OFR 2019-09 |
Rare-Earth Elements Minerals Placer Deposition Modeling From Landsat 8 Multispectral Remote Imaging in a Section of North Carolina’s Northern Coastal Plain |
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OFR 2019-08 |
Geologic Map with Geomorphic Landscape Elements of the FALKLAND Quadrangle, Northeast Quadrant, North Carolina |
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OFR 2019-07 |
Geologic Map of the MOFFITT HILL Quadrangle |
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Superseded by OFR-2020-05 |
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OFR 2019-06 |
Geologic Map of the BEAR CREEK 7.5-Minute Quadrangle, Chatham and Moore Counties, North Carolina Supersedes OFR-2018-08 |
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OFR 2019-05 |
Geologic Map of the Chatham County Portion of the BENNETT Quadrangle |
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OFR 2019-04 |
Geologic Map of the OLD FORT 7.5-Minute Quadrangle, McDowell and Yancey Counties, North Carolina |
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OFR 2019-03 |
Lithic material identification guide – Carolina terrane, North Carolina |
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OFR 2019-02 |
Publication cancelled |
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OFR 2019-01 |
Deep River and Dan River Triassic basins: |
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OFR 2018-18 |
Sawyer-Keystone Trend of Au-Ag-As deposits in RANDOLPH County, North Carolina: Geologic and metallogenic analysis |
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OFR 2018-17 |
Star-Reynolds and Carter gold mines, MONTGOMERY County, North Carolina: Review of geology and metallogeny |
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OFR 2018-16 |
Glendon and Robbins AES alignments in the |
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OFR 2018-15 |
Ophir District, RANDOLPH and MONTGOMERY Counties, North Carolina: Geologic and metallogenic analysis |
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OFR 2018-14 |
Underground Storage of Refrigerated Natural Gas in Granites of the Southeastern U.S. |
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OFR 2018-13 |
Geologic Map with Geomorphic Landscape Elements of the FALKLAND Quadrangle, Southeast Quadrant, North Carolina |
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OFR 2018-12 |
Geologic Map of the SHINGLE HOLLOW Quadrangle Supersedes OFR-2017-05 |
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OFR 2018-11 |
Geologic map of the Eastern portion of the VICKSBORO Quadrangle Supersedes OFR-2017-08 |
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Superceded by OFR 2020-02 |
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OFR 2018-10 |
Geologic Map of the MOUNT MITCHELL Quadrangle Supersedes OFR-2017-04 |
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OFR 2018-09 |
Geologic Map of Eastern Half of the WARRENTON Quadrangle Supersedes OFR-2017-09 |
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Superceded by 2020-03 |
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OFR 2018-08 |
Geologic map of the northern half of the BEAR CREEK Quadrangle |
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Superceded by 2019-06 |
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OFR 2018-07 |
Release of four fluid inclusion stratigraphy (FIS) reports in the Triassic Dan River basin, STOKES and ROCKINGHAM counties, North Carolina, “A stratigraphic reconstruction of bulk volatile chemistry from fluid inclusions in core holes SO-C-01-81, SO-C-02-81, SO-C-01-15 and SO-C-01A-15, and RC-C-01-81,” by Fluid Inclusion Technologies, Inc. dated August 4, 2016 for the North Carolina Geological Survey |
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OFR 2018-06 |
Stratigraphy, geochemistry, and organic petrology from the Esso Hatteras Light #1 and the Mobil State of North Carolina #3 and their effect on hydrocarbon prospectivity in Coastal North Carolina |
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OFR 2018-05 |
Esso Hatteras Light #1 well DARE County, North Carolina, and Mobil State of North Carolina #3 well Hyde County, North Carolina: Geochemical and organic petrology data report |
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OFR 2018-04 |
Mobil State of North Carolina #3 well (NCGS #HY-OT-01-65; API 32-095-00009) HYDE County, North Carolina: Fluid inclusion stratigraphy (FIS) data report |
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OFR 2018-03 |
Geologic map of the Chatham County portion of the COLERIDGE Quadrangle Supersedes OFR-2016-11 |
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OFR 2018-02 |
Geologic map of the Chatham County portion of the LIBERTY Quadrangle Supersedes OFR-2016-10 |
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OFR 2018-01 |
Confirmation of hydrocarbon shows and helium in the Walnut Cove Formation: Triassic rift / lacustrine Dan River basin (STOKES and ROCKINGHAM counties), North Carolina – A potential new helium province in the Eastern United States? |
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OFR 2017-16 |
Compiled Geologic Map of the Hyco Shear Zone and Adjacent Portions of the CLUSTER SPRINGS and ROXBORO 7.5-Minute Quadrangles, Person County, North Carolina |
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OFR-2017-15 |
Compiled Geologic Map of the Hyco Shear Zone and Adjacent Portions of the ALTON and OLIVE HILL 7.5-Minute Quadrangles, Person County, North Carolina |
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OFR-2017-14 |
Compiled Geologic Map of the Hyco Shear Zone Portions of the MILTON and LEASBURG 7.5-Minute Quadrangles, Caswell and Person Counties, North Carolina |
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OFR-2017-13 |
Compiled Geologic Map of the Hyco Shear Zone Portions of the YANCEYVILLE and ANDERSON 7.5-Minute Quadrangles, Caswell County, North Carolina |
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OFR-2017-12 |
Digital karst layer and compilation |
Item not available for download |
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OFR-2017-11 |
Geologic Map with Geomorphic Landscape Elements of the FALKLAND Quadrangle, Southwest Quadrant, North Carolina |
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OFR-2017-10 |
Geologic map of the Chatham County portion of the CRUTCHFIELD CROSSROADS Quadrangle Supersedes OFR-2016-09 |
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OFR-2017-09 |
Geologic Map of southeastern quadrant of the WARRENTON Quadrangle |
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Superseded by OFR-2018-09 |
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OFR-2017-08 |
Geologic map of the northeastern portion of the VICKSBORO Quadrangle |
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Superseded by OFR-2018-11 |
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OFR-2017-07 |
Geologic Map of the SILER CITY Quadrangle Supersedes OFR-2016-08 |
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OFR-2017-06 |
Geology of the Hyco Shear Zone in North Carolina and Virginia |
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OFR-2017-05 |
Geologic Map of the SHINGLE HOLLOW Quadrangle |
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Superseded by OFR-2018-12 |
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OFR-2017-04 |
Geologic Map of the MOUNT MITCHELL Quadrangle |
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Superseded by OFR-2018-10 |
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OFR-2017-03 |
Pine Hall Formation: Type section designated – Dan River basin, STOKES Co., North Carolina: A potential reservoir |
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OFR-2017-02 |
Underground Storage of Refrigerated Natural Gas in Granite of the Southeastern U.S. |
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OFR-2017-01 |
Tungsten Queen Mine tailings evaluation, VANCE Co., NC: A potential silica resource. |
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OFR-2016-23 |
Geologic Map of DURHAM COUNTY, NC |
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OFR-2016-22 |
Geologic Map of the COKESBURY Quadrangle |
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OFR-2016-21 |
Geologic Map of the WILTON Quadrangle |
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OFR-2016-20 |
Geologic Map of the GRISSOM Quadrangle |
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OFR-2016-19 |
Geologic Map of the OXFORD Quadrangle |
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OFR-2016-18 |
Geologic Map of the CREEDMOOR Quadrangle |
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OFR-2016-17 |
Geologic Map of the HENDERSON Quadrangle |
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OFR-2016-16 |
Geologic Map of the FRANKLINTON Quadrangle |
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OFR-2016-15 |
Geologic Map of the KITTRELL Quadrangle |
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OFR-2016-14 |
Geologic Map of the GARNER Quadrangle |
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OFR-2016-13 |
Geologic Map with Geomorphic Landscape Elements of the FOUNTAIN Quadrangle |
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Available upon request- |
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OFR-2016-12 |
Geologic Map of the INEZ Quadrangle (updated 12/19/2017) |
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OFR-2016-11 |
Geologic Map of the northeastern corner of the COLERIDGE Quadrangle |
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Superseded by OFR-2018-03 |
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OFR-2016-10 |
Geologic Map of the southeastern corner of the LIBERTY Quadrangle |
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Superseded by OFR-2018-02 |
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OFR-2016-09 |
Geologic Map of the southern third of the CRUTCHFIELD CROSSROADS Quadrangle |
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Superseded by OFR-2017-10 |
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OFR-2016-08 |
Geologic Map of the northern third of the SILER CITY Quadrangle |
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Superseded by OFR-2017-07 |
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OFR-2016-07 |
Geologic Map of the PEA RIDGE Quadrangle |
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OFR-2016-06 |
Geologic Map of the MONTREAT Quadrangle |
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OFR-2016-05 |
Geologic Map of ORANGE COUNTY, North Carolina |
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OFR-2016-04 |
Geologic Map of the MIDDLEBURG Quadrangle |
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OFR-2016-03 |
Geologic Map of the APEX Quadrangle |
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OFR-2016-02 |
Geologic Map of the CARY Quadrangle |
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OFR-2016-01 |
Cumberland-Marlboro 'basin' basement drilling results – 2015: CUMBERLAND, HOKE and SCOTLAND counties, North Carolina |
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OFR-2015-07 |
Geologic Map of FRANKLIN COUNTY, North Carolina |
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OFR-2015-06 |
Dan River basin stratigraphic core hole ‘Town of Walnut Cove’ (SO-C-1-15), STOKES County, North Carolina: Preliminary results |
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OFR-2015-05 |
Geologic Map of the FOUNTAIN Quadrangle |
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Available upon request- |
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OFR-2015-04 |
Geologic Map of the PEA RIDGE Quadrangle |
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Superseded by OFR 2016-07 |
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OFR-2015-03 |
Geologic Map of the MONTREAT Quadrangle |
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Superseded by OFR 2016-06 |
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OFR-2015-02 |
Geologic Map of the SILER CITY NE Quadrangle |
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OFR-2015-01 |
Geologic Map of the ESSEX Quadrangle |
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OFR-2014-03 |
Geologic Map of the BLACK MOUNTAIN Quadrangle |
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OFR 2014-02 |
Geologic Map of the Chatham County Portion of the SILK HOPE Quadrangle |
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Superseded by OFR-2022-01 |
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OFR 2014-01 |
Geologic Map of the PITTSBORO Quadrangle |
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OFR-2013-05 |
Bedrock Geologic Map of the CRAGGY PINNACLE 7.5-minute Quadrangle, North Carolina |
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OFR-2013-04 |
Bedrock Geologic Map of the southern portion of the ESSEX Quadrangle |
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OFR-2013-03 |
Geologic Map of the BYNUM Quadrangle |
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OFR-2013-02 |
Bedrock Geologic Map of the North Carolina Portion of the LANDRUM 7.5-minute Quadrangle |
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OFR-2013-01 |
Mesozoic rift basins: Onshore North Carolina and south-central Virginia, U.S.A.: Deep River and Dan River -Danville total petroleum systems (TPS) and assessment units (AU) for continuous gas accumulation, N.C. |
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OFR 2012-04 |
Geologic Map of the RED OAK Quadrangle |
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OFR 2012-03 |
Geologic Map of the PITTSBORO Quadrangle (Northern portion) |
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OFR 2012-02 |
Geologic Map of the MERRY OAKS Quadrangle (Northwest portion) |
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OFR 2012-01 |
Geologic Map of the LAKE MICHIE Quadrangle (Eastern and Central Portions). Supercedes OFR 2011-09 |
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OFR-2011-12 |
Preliminary carbon dioxide (CO2) sequestration characterization, DARE, TYRRELL and HYDE counties, North Carolina |
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OFR-2011-10 |
Mapped Sedimentary Facies on the LUCAMA and KENLY EAST Quadrangles, Johnston, Wilson, and Wayne Counties |
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OFR |
Geologic Map of the Southern Portion of the LAKE MICHIE 7.5-minute Quadrangle, Durham, Granville, and Person Counties |
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Superseded by OFR 2012-01 |
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OFR |
Geologic map of the ROUGEMONT quadrangle, Orange, Durham and Person Counties |
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OFR 2011-07 |
Geologic Map of the Orange County and Adjacent Portions of the BYNUM Quadrangle, Orange, Chatham, and Alamance Counties |
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Superseded by OFR 2013-03 |
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OFR 2011-06 |
Geologic Map of the Orange County and Adjacent Portions of the MEBANE Quadrangle, Orange and Alamance Counties |
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OFR 2011-05 |
Geologic Map of the Orange County and Adjacent Portions of the BURLINGTON NE Quadrangle, Orange, Alamance, and Caswell Counties |
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OFR 2011-04 |
Geologic Map of the Orange County and Adjacent Portions of the SAXAPAHAW Quadrangle, Orange and Alamance Counties, North Carolina |
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Superseded by OFR-2022-02 |
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OFR 2011-03 |
Geologic Map of the HOLLISTER Quadrangle |
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OFR 2011-02 |
Geologic Map of the LITTLETON Quadrangle |
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OFR 2011-01 |
Bedrock Geologic Map of the BREVARD quadrangle, Transylvania County, North Carolina |
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OFR 2010-07 |
Digital compilation map Sanford sub-basin, Deep River Basin, parts of LEE, CHATHAM and MOORE counties, North Carolina |
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OFR 2010-06 |
Geologic Map of the LOUISBURG Quadrangle |
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OFR 2010-05 |
Geologic Map of the INGLESIDE Quadrangle |
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OFR-2010-04 |
Geologic Map of the WHITTIER Quadrangle |
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OFR-2010-03 |
Geologic Map of the CALDWELL Quadrangle |
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OFR-2010-02 |
Geologic Map of the CEDAR GROVE Quadrangle |
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OFR 2010-01 |
Geologic Map of the JOHN H. KERR DAM Quadrangle (North Carolina portion) |
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OFR 2009-04 |
Bedrock Geologic Map of the HORSE SHOE Quadrangle |
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OFR 2009-03 |
Geologic Map of the CASTALIA, CENTERVILLE, GOLD SAND, and JUSTICE Quadrangles |
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OFR 2009-02 |
Geologic Map of the STEM Quadrangle |
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OFR 2009-01 |
Shale Gas Potential in Triassic Strata of the Deep River Basin, LEE and CHATHAM Counties, North Carolina with pipeline and infrastructure data |
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OFR 2008-02 |
Bedrock Geologic Map of the OTEEN Quadrangle |
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OFR 2008-01 |
Geologic Map of the WHITE CROSS Quadrangle |
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OFR 2007-04 |
Bedrock Geologic Map of the Western Half of the ASHEVILLE 100K Quadrangle, North Carolina and Tennessee |
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Superseded by GMS 13 |
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OFR 2007-03 |
Geologic Map of the FARRINGTON Quadrangle |
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OFR 2007-02 |
Rotasonic Cores from Northeastern North Carolina Volume IV: Cores MLD-06 through MLD-10 (CD-ROM) |
Item not available for download |
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OFR 2007-01 |
Rotasonic Cores from Northeastern North Carolina Volume III: Cores MLD-01 through MLD-05 (CD-ROM) |
Item not available for download |
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OFR 2006-04 |
Rotasonic Cores from Northeastern North Carolina Volume II: Cores OBX-10 through OBX-18 (CD-ROM) |
Item not available for download |
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OFR 2006-02 |
Geologic Map of the EFLAND Quadrangle |
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OFR 2006-01 |
Geologic Map of the OXFORD Quadrangle |
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Superseded by OFR 2016-19 |
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OFR 2005-07 |
Geomorphic and Inferred Geologic Maps of the MANTEO 30 x 60-Minute Quadrangle and the Eastern one-Third of the Plymouth 30 x 60-Minute Quadrangle, North Carolina |
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Item not available for download |
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OFR 2005-06 |
Geologic Map of the TOWNSVILLE Quadrangle (Southeast portion) |
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2005-05 |
Old Gold Mines in CHARLOTTE, Mecklenburg County, North Carolina: A Potential Geologic Hazard for Development, by Reid, J.C., Medina, M.A., and Goretti, A.J., 2005. CD-ROM. |
Item not available for download |
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2005-04 |
Rotasonic Cores from Northeastern North Carolina Volume I: Cores OBX-01 through OBX-09, by Hoffman, C.W., Farrell, K.M., Pierson, J.A., Ward, A.N., Nickerson, J.G., Brooks, R.W., and Ganey, J.G., 2005. CD-ROM. |
Item not available for download |
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2005-03 |
Bedrock Geologic Map of the LEICESTER 7.5-minute Quadrangle, North Carolina by Merschat, C.E., and Cattanach, B.L., 2005. |
Order a hard-copy version of this map online from our Yahoo Store Site |
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OFR 2005-02 |
Geologic Map of the HILLSBOROUGH Quadrangle |
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2005-01 |
New Digital Raster Graphics of North Carolina: 1999 - 2005, by Reid, J.C., and Medina, M.A., 2005. DVD-ROM. |
Click here for an index map of the new DRG's Click here for the report text (.pdf format) to assist users to locate maps of interest |
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