Skip to main content
U.S. flag

An official website of the United States government

Digital data for construction material sources reported by the Arizona Department of Transportation in 1977 for Maricopa County, Arizona

January 1, 2001

Material inventories for prospective sources of material for use in building roads and associated structures were prepared by Arizona for several counties including Maricopa County. The inventories provide information about pit locations, materials classification and type, and measures of some characteristics used to determine suitability for aggregate.


The digital data given in this release was published by the (ADOT, 1977) in cooperation with the Federal Highway Administration. This is one of a series of material inventories prepared for Arizona’s counties by ADOT since compilation began in 1959. The data set developed here faithfully follows the data given in ADOT (1977) with minimal changes. Names of variables used in the digital data set are shown in Table 2.

Publication Year 2001
Title Digital data for construction material sources reported by the Arizona Department of Transportation in 1977 for Maricopa County, Arizona
DOI 10.3133/ofr01122
Authors Douglas M. Hirschberg, G. Stephen Pitts, Henry L. Melcher, James D. Bliss
Publication Type Report
Publication Subtype USGS Numbered Series
Series Title Open-File Report
Series Number 2001-122
Index ID ofr01122
Record Source USGS Publications Warehouse
USGS Organization Geology, Minerals, Energy, and Geophysics Science Center