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In Cooperation with the National Park Service and the Idaho Department of Parks and Recreation

U.S. Geological Survey
Open-File Report 2008-1103

Geologic Map and Digital Data Base of the Almo Quadrangle and City of Rocks National Reserve, Cassia County, Idaho

By David M. Miller, Richard L. Armstrong, David R. Bedford, and Marsha Davis

2008

This geologic map describes the geology of the City of Rocks National Reserve and environs, located in the Albion Mountains of south-central Idaho. The most prominent geologic features of the Reserve are the spectacular rock spires that attracted visitors, beginning with commentary in the journals of travelers to California during the Gold Rush of 1849. The tectonic history is outlined, and descriptions of landscape processes, a newly discovered Quaternary fault, and features of the pinnacles are presented.

Files for Viewing and Printing

Download the Plate as a ~38" x ~30" PDF file (of2008-1103_plate.pdf; 5 MB)

Download the Pamphlet to accompany the map as a 36-page PDF file (of2008-1103_pamphlet.pdf; 1.8 MB)

Files for GIS

Readme file that lists and describes the digital dataset files linked below (of2008-1103_readme.txt; 8 kB)

FGDC compliant metadata (of2008-1103_metadata.txt; 40 kB)

GIS package as a compressed file (of2008-1103_gis.zip; 680 kB compressed file that expands to a 3.9-MB folder)

For questions about the content of this report, contact Dave Miller

Suggested citation and version history

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URL: https://pubs.usgs.gov/of/2008/1103/
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Page Last Modified: June 20, 2008