Online link | https://geo-nsdi.er.usgs.gov/metadata/open-file/99-141/silverton.faq.html |
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Description | This digital map database, compiled from previously published and unpublished data, and new mapping by the authors, represents the general distribution of bedrock and surficial deposits of the Silverton 7.5 minute quadrangle along the eastern margin of th |
Originators | Tolan, Terry L.; Beeson, Marvin H.; and Wheeler, Karen L. |
Publication | U.S. Geological Survey Open-File Report 99-141 |
Geologic map units symbols (no full descriptions found)
Label | Definition |
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Linear geologic features
Label | Definition |
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LTYPE | Line type |
Geologic map units at specific locations (same attributes as polygon coverage PD-GEOL.PAT)
Label | Definition |
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Fold axes
Label | Definition |
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LTYPE | Line type |
Strike and dip information of bedding
Label | Definition |
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PTTYPE | Point type |
DIP | Dip of bedding |
STRIKE | Strike of bedding |