| Online link | https://pubs.usgs.gov/of/1979/0576s/plate-1.pdf |
|---|---|
| Description | Scanned image of map drawn at 1:5,000,000 scale, projection probably Lambert Conformal Conic, monochrome. |
| Originators | Tooker, Edwin Wilson and Johnson, Maureen G. |
| Publication | U.S. Geological Survey Open-File Report 79-576 This publication is available only as a PDF document. |