National Geologic Map Database
General Information
- Title: Geologic map of the Swisshelm Mountains, and a description of the development of the Swisshelm and Pedregosa Mountains, Cochise County, Arizona
- Author(s): Drewes, Harald
- Publishing Organization: U.S. Geological Survey
- Series and Number: Miscellaneous Investigations Series Map I-2177
- Publication Date: 1991
- Map Scale: 1:24,000
- Cross Section: Yes
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- U.S. Geological Survey
- USGS Information Services
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- Phone: (303) 202-4700 or 1-888-ASK-USGS
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* Names and boundaries are not necessarily authoritative, and are provided here solely for general orientation.