| Abstract: | The geology coverage was developed from the 1972 USGS Geologic Map of Yellowstone National Park. It contains polygons of bedrock formations, dikes, and faults. Errors in the 1972 map were corrected and an area outside the Park boundary on the west and south was added. Attributes attached to each polygon include a formation code, formation name, formation age, and a generalized unit name. Line attributes include water, contacts, and faults. Updated information includes a break down of Tertiary, and Quaternary volcanic rock units. |
| Genre: | USGS Numbered Series |
| ProdID: | 31122 |
| Citation Author: | Christiansen, Robert L.; Wahl, Ronald R. |
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| Citation Edition: | Version 1.0 |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | map |
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| Citation Series: | Open-File Report |
| Citation Series Code: | OFR |
| Citation Series Number: | 99-174 |
| Citation Search Results Text: | Digital geologic map of Yellowstone National Park, Idaho, Montana, Wyoming and vicinity; 1999; OFR; 99-174; Christiansen, Robert L.; Wahl, Ronald R. |
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| Citation Year: | 1999 |
| Type: | citation/reference |
| Text: | Digital geologic map of Yellowstone National Park, Idaho, Montana, Wyoming and vicinity; 1999; OFR; 99-174; Christiansen, Robert L.; Wahl, Ronald R. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (INDEX PAGE): | http://greenwood.cr.usgs.gov/pub/open-file-reports/ofr-99-0174/ |
| Date Other: | Sat, 1 Dec 2001 00:00 -0600 |
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