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Geologic Investigations Map 2766

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# Geologic Map of the Mount Trumbull 30' X 60' Quadrangle, Mohave and Coconino Counties, Northwestern Arizona

#### By George H. Billingsley and Jessica L. Wellmeyer

| Summary
The geologic map of the Mount Trumbull 30' x 60' quadrangle is a cooperative product of the U.S. Geological Survey, the National Park Service, and the Bureau of Land Management that provides geologic map coverage and regional geologic information for visitor services and resource management of Grand Canyon National Park, Lake Mead Recreational Area, and Grand Canyon Parashant National Monument, Arizona. This map is a compilation of previous and new geologic mapping that encompasses the Mount Trumbull 30' x 60' quadrangle of Arizona. | First posted January 8, 2004
- Version 1.0, January 2004:
-  **Map** PDF (38" x 54"; 9.4 MB) 
-  **Pamphlet** PDF (741 KB) 
- Version 1.2, March 2014:
-  **Readme** TXT (2 KB)
-  **Metadata** TXT (18 KB)
-  **Shapefiles** ZIP (20.6 MB)  This is a zipped package of shapefiles and a style file to facilitate use of the data in ArcMap and other applications. 
-  **GIS database** ZIP (22.3 MB)  This is a zipped package of files necessary to create an ArcMap Personal Geodatabase project. 

**For additional information, contact:**Contact Information, Geology, Minerals, Energy, & Geophysics Science Center—Flagstaff U.S. Geological Survey 2255 N. Gemini Drive Flagstaff, AZ 86001-1600 http://geomaps.wr.usgs.gov/

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### Suggested citation:

 Billingsley, G.H., and Wellmeyer, J.L., 2003, Geologic map of the Mount Trumbull 30' X 60' quadrangle, Mohave and Coconino Counties, northwestern Arizona:  U.S. Geological Survey Geologic Investigations Series I-2766, scale 1:100,000, https://pubs.usgs.gov/imap/i2766/.

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U.S. Department of the Interior |            U.S. Geological Survey           	URL: *http://pubsdata.usgs.gov/pubs/imap/i2766/index.html*            Page Contact Information: GS Pubs Web Contact           	Page Last Modified: Wednesday, 30-Nov-2016 17:37:44 EST