Selected information resources for maps of the Four Corners region

The National Atlas (http://nationalatlas.gov) was the primary data source used to generate the maps on this website.

Selected references used to verify names of geographic and geologic features include:

Baars, Donal L., 1995, Navajo Country: A Geology and Natural History of the Four Corners Region: Albuquerque, New Mexico: University of New Mexico Press, 255 p.

Bennington, Allan P. (compiler), 1990, Geologic Highway Map, Southern Rocky Mountain Region: Utah, Colorado, New Mexico, Arizona: Tulsa Oklahoma: American Association of Petroleum Geologists(AAPG) Map No. 2, 1 sheet, scale ~1:2,00,000.

U.S. Geological Survey, 1981, State Map of Arizona: Reston, Virginia (USGS), scale 1:500,000 (reprinted in 1982).

U.S. Geological Survey, 1985, State Map of New Mexico: Reston, Virginia (USGS), scale 1:500,000 (reprinted in 1992).

Automobile Club of Southern California, 1989, Guide to Indian Country in Arizona, New Mexico, Utah, and Colorado: Los Angeles, California (ACSC), scale ~1:1,000,000.


Additional sources of maps and geospatial information can be found linked to http://education.usgs.gov.