File:Mid-Atlantic Appalachian rock types.png
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| Description | Geological map featuring the crystalline and sedimentary rock types in the Mid-Atlantic segment of the Appalachian Mountains. Figure 8 from Henry Trapp, Jr. and Marilee A. Horn, Ground Water Atlas of the United States: Delaware, Maryland, New Jersey, North Carolina, Pennsylvania, Virginia, West Virginia (HA 730-L) (Office of Ground Water, United States Geological Survey, 1997). |
| Date | |
| Source | http://pubs.usgs.gov/ha/ha730/ch_l/L-text1.html Figure 8 |
| Author | Henry Trapp, Jr. and Marilee A. Horn |
| Permission (Reusing this file) |
materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior |
| Other versions | gif version |
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 22:37, 3 August 2010 | | 858 × 614 (52 KB) | Hike395 (talk | contribs) | {{Information |Description=Geological map of the mid-Atlantic United States |Source= http://pubs.usgs.gov/ha/ha730/ch_l/L-text1.html Figure 8 |Date=1997 |Author=Henry Trapp, Jr. and Marilee A. Horn |Permission=see below |other_versions= }} [[Category:Geo |
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