Downloadable Maps of Ohio

Poster-size Maps  

• Glacial and surficial geology maps—Based on USGS 30 X 60-minute quadrangles and compiled at a scale of 1:100,000.
• Historic geologic maps—Scanned copies of state geologic maps produced by the Survey since 1870.
• Historic Oil and Gas Wells in and Adjacent to Grand Lake St. Marys, by Kelli L. Vogt and Joseph G. Wells, 2007, scale 1:25,000, full color with text. [2.4 MB PDF]
• Landforms of Ohio, by James A. Bier, 1967, scale 1:1,000,000, black and white. [8.4 MB PDF]
• Poster presentations—Talks and posters presented by Survey staff members at various organizational conferences, workshops, and public forums.

Page-size Maps

Full-color, 8½" x 11" unless otherwise noted. For a list of bibliographic citations, click here [51 KB PDF].

• Abandoned Underground Mines of Ohio. [364 KB PDF]
• Base maps—black and white:
  • State map showing Ohio counties. [56 KB PDF]
  • State map showing Ohio counties and townships. [109 KB PDF]
• Bedrock Geologic Map of Ohio—Updated version. [3.9 MB PDF]
• Class II Brine Injection Wells of Ohio—Updated 5/03/2013 [217 KB PDF]
• Coordinate System Boundaries in Ohio. [106 KB PDF]
• Earthquake Epicenters in Ohio and Adjacent Areas—Updated 1/26/2012. [105 KB PDF]
• Generalized Column of Bedrock Units in Ohio—11" x 17", not to scale. [105 KB PDF]
• Geologic Map and Cross Section of Ohio—Old version of bedrock geologic map. [565 KB PDF]
• Glacial Map of Ohio. [948 KB PDF]
• Oil and Gas Fields Map of Ohio. [1.2 MB PDF]
• Oil and Gas Pipelines in Ohio. [1.2 MB PDF]
• Ohio Karst Areas. [4.9 MB PDF] 
• Original Land Subdivisions of Ohio. [1.9 MB PDF]
• Physiographic Regions of Ohio. [260 KB PDF]
• Shaded Bedrock-Topography Map of Ohio. [4.7 MB PDF]
• Shaded Drift-Thickness Map of Ohio. [1.6 MB PDF]
• Shaded Elevation Map of Ohio:
  • Spectral version. [1.2 MB PDF]
  • Earth-tone version. [1.1 MB PDF]      

Online Interactive Maps

• Select from several interactive maps here.

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