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![]() | 1,352 × 883 (218 KB) | Chris Light | Uploaded a work by Pepper, James F., Wallace De Witt, JR., and David F. Demarest from Pepper, James F., Wallace De Witt, JR., and David F. Demarest; Geology of the Bedford Shale and Berea Sandstone in the Appalachian Basin; Geological Survey Professional Paper 259; United States Department of the Interior, Douglas McKay, Secretary; Geological Survey, W. E. Wrather, Director; United States Government Printing Office, Washington, D.C.; 1954 with UploadWizard |
Original file (1,352 × 883 pixels, file size: 218 KB, MIME type: image/jpeg)
Click on a date/time to view the file as it appeared at that time.
Date/Time | Thumbnail | Dimensions | User | Comment | |
---|---|---|---|---|---|
current | 21:33, 7 May 2021 |
![]() | 1,352 × 883 (218 KB) | Chris Light | Uploaded a work by Pepper, James F., Wallace De Witt, JR., and David F. Demarest from Pepper, James F., Wallace De Witt, JR., and David F. Demarest; Geology of the Bedford Shale and Berea Sandstone in the Appalachian Basin; Geological Survey Professional Paper 259; United States Department of the Interior, Douglas McKay, Secretary; Geological Survey, W. E. Wrather, Director; United States Government Printing Office, Washington, D.C.; 1954 with UploadWizard |