U.S. Geological Survey

U.S. Geological Survey
Geologic Investigations Series I-2688
Version 1.0

Geologic Map of the Grand Canyon 30' x 60' Quadrangle, Coconino and Mohave Counties, Northwestern Arizona

By George H. Billingsley


thumbnail view of map

This map, compiled from previously published and unpublished data as well as new mapping by the author, represents the general distribution of bedrock and surficial deposits in the map area. Together with the accompanying pamphlet, it provides current information on the geologic structure and stratigraphy of the Grand Canyon area. The database delineates map units that are identified by general age and lithology following the stratigraphic nomenclature of the U.S. Geological Survey. The scale of the source maps limits the spatial resolution (scale) of the database to 1:100,000 or smaller.

Download the map as a 38" x 42" PDF file (i-2688.pdf; 15.5 MB)

Download the accompanying pamphlet as a 16-page PDF file (i-2688_pamphlet.pdf; 200 kB)

View the metadata HTML file. This file is also in the .zip file linked below (gc.htm; 72 kB)

Download the database as a ZIP file of ArcInfo Export, TIF, TFW, ArcMap style, and metadata files (gc.zip; 15.2 MB)

Download just the ArcMap style for symbolizing data. This file is also in the .zip file linked above (gc_30x60.style; 648 kB)

Download the shapefile package (i-2688_shapefiles.zip; 9.8 MB)

For additional information:
Contact Information, Western Region Geology and Geophysics Field Science Center—Flagstaff
U.S. Geological Survey
2255 N. Gemini Drive
Flagstaff, AZ 86001-1600

This map is presented in Portable Document Format. Adobe Reader or similar software is required to view it. If you wish to download the latest version free of charge, get Adobe Reader here.

Page Created May 7, 2007

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