BG (Bedrock Geology, Topography, & Structure)
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| BG-1 |
Bedrock Geologic Map of Ohio (scale 1:500,000).
Buy online now: Paper Map or CDROM.
OR Download the page-size version of this map. [3.9 MB PDF file]
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| BG-2a |
Reconnaissance bedrock geology 7½-minute quadrangle series (scale 1:24,000).
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| BG-2b |
Reconnaissance bedrock geology 30 x 60-minute quadrangle series (scale 1:100,000).
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| BG-3 |
Shaded Bedrock-Topography Map of Ohio (raster; scale 1:500,000).
Buy online now: Paper Map or CDROM.
OR Download the paged-size PDF version of this map [4.73 MB PDF]
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| BG-4a |
Bedrock topography 7½-minute quadrangle series contours (scale 1:24,000).
For custom print on demand paper copies please contact the Geologic Records Center. |
| BG-4b |
Bedrock topography 30 x 60-minute quadrangle series contours (scale 1:100,000).
For custom print on demand paper copies please contact the Geologic Records Center. |
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*Complete state bedrock topography coverage is available with both BG-3 and BG-4 series together on CD-ROM. |
| BG-5 |
Preliminary structure contour 7½-minute quadrangle series (scale 1:24,000). |
CEA (Coastal Erosion Area)
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| 1998 |
Contact the Geologic Records Center for information on obtaining copies of the 1998 CEA Program maps. |
| 2010 |
For more information, visit the 2010 CEA Program website. |
EG (Environmental Geology)
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| EG-1 |
Known and Probable Karst in Ohio (scale 1:500,000, formerly DCMS-24).
Buy online now: Paper Map or CDROM.
Download the paged-size PDF version of this map. [282 Kb PDF] |
| EG-2 |
Earthquake Epicenters in Ohio and Adjacent Areas (scale 1:500,000).
Buy online now: Paper Map or CDROM.
OR Download page-size PDF version of this map. [121 KB PDF file]
OR as an online interactive map. |
| EG-3 |
Known Abandoned Underground Mines of Ohio (scale 1:500,000).
Buy online now: Paper Map or CDROM.
Also available online as an interactive map. |
| EG-3a |
Known Abandoned Underground Mines of Ohio, 7½-minute quadrangle series (scale 1:24,000). |
| EG-5 |
Karst Flooding in Bellevue, Ohio, and Vicinity—2008 (scale 1:24,000).
Read more about this report here.
Download the free PDF version of this map [13 MB PDF]
Download the written report on the flooding [2.7 MB PDF]
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| EG-6 |
Elevation Contours on the Base of the Deepest Underground Sources of Drinking Water (scale 1:500,000).
Read more about this map here.
Download the free PDF version of this map [7 MB PDF]
Download the GIS data from the Survey FTP site. |
IM (Industrial Minerals)
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| IM-1 |
Map of Active Mineral Industry Operations in Ohio (scale 1:500,000). Updated annually, this map is based on and accompanies the Report on Ohio Mineral Industries and also is available online as an interactive map. |
LE (Lake Erie)
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| LE-1 |
Sidescan Sonar Differentiation of Ohio's Nearshore (Lake Erie) Surficial Sediments (scale: 2½ inches equals about 10 miles). |
MG (Miscellaneous Geology)
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| MG-1 |
Shaded Elevation Map of Ohio (raster; scale 1:500,000).
Buy online now: Paper Map or CDROM.
OR Download page-sized versions of this map below:
Spectral colors version* [1.2 MB PDF file]
Earthtones version* [1.1 MB PDF file] |
| MG-2 |
Original Land Subdivisions of Ohio (scale 1:500,000).
Buy online now: Paper Map or CDROM. |
| MG-4 |
Core Locations in Ohio and Adjacent States (scale 1:500,000).
Buy online now: Paper Map Only
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PG (Petroleum Geology)
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| PG-1 |
Oil and Gas Fields Map of Ohio (scale 1:500,000). Available online as an interactive map or free 8.5 X 11 handout, OR
Buy online now: Paper Map or CDROM. |
| PG-2 |
Wells Drilled Below the Cambrian Knox Dolomite in Ohio (scale 1:500,000).
Buy online now: Paper Map or CDROM. |
| PG-3 |
Oil and Gas Well-Spot Maps (scale 1:24,000). Updated biweekly. |
| PG-4 |
Oil and Gas Well GIS Data Sets—Shape files and data for thousands of wells throughout Ohio. Updated quarterly. |
| PG-23 |
Structure Contour Map on The Precambrian Unconformity Surface in Ohio and Related Basement Features (scale 1:500,000).
Buy online now: Paper Map or CDROM.
OR Download a 2.3 MB PDF of this report with map now. |
SG (Surficial Geology)
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| SG-1 |
Quaternary Geology of Ohio (scale 1:500,000).
Buy online now: Paper Map or CDROM.
Download free page-sized version now [580 KB PDF] |
| SG-2 |
Surficial geology series (scale 1:100,000) downloadable maps. |
| SG-3 |
Shaded Drift-Thickness Map of Ohio (scale 1:500,000).
Buy online now: Paper Map or CDROM.
Download a page sized 3 pages long informational handout of this map. |
GIS releases on CD-ROM contain a PDF file of the map; metadata; ESRI projected shape files; and, if of raster data type, contain the ESRI grid files as well as USGS format Digital Elevation Model (DEM) files. The shape files can be used in many popular mapping software products and also may be used with free viewing software, such as ESRI ArcGIS Explorer® or ArcReader® (provided on CD with orders).
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