Arizona Geological Survey Digital Geologic Maps


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Published: 2018
The Dragoon Quadrangle is situated between Benson and Willcox in Cochise County, southeastern Arizona. It encompasses the eastern and southern parts of the Little Dragoon Mountains and the flanking...
Resource Identifiers: DGM-125

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Published: 2018
The North Trigo Peaks quandrangle is located eas of the Colorado River, southeast of Blythe, California. The map encompasses most of the northern Trigo Mtns, the upper piedmont of the lower Colorado...
Resource Identifiers: DGM-123

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Published: 2018
The Wagner Wash Well 7.5-minute Quadrangle includes the western fringe of the central White Tank Mountains, the western piedmont of the White Tank Mountains, the south-flowing Hassayampa River, and a...
Resource Identifiers: DGM-38

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Published: 2018
The Redington 7 ½' Quadrangle includes part of the northern San Pedro River and flanking valley fill, as well as two areas of bedrock on the east side of the valley (Figure 1). Production of...
Resource Identifiers: DGM-60

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Published: 2020
This map depicts the bedrock and surficial geology of the Secret Pass quadrangle in the Black Mountains and Sacramento Valley, Mohave County, northwestern Arizona. The geologic mapping is original...
Resource Identifiers: DGM-130

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Published: 2020
This map depicts the bedrock and surficial geology of much of the Union Pass quadrangle in the Black Mountains and the lower Colorado River Valley, Mohave County, northwestern Arizona. The geologic...
Resource Identifiers: DGM-129

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Published: 2018
The Mammoth 7½' Quadrangle includes part of the San Pedro River, flanking valley fill, and bedrock on the west side of the valley that forms the Black Hills and the northernmost tip of the...
Resource Identifiers: DGM-67

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Published: 2018
The Saint David 7½' Quadrangle is located approximately 55 miles (88 km) west of downtown Tucson. The map area encompasses the town of Saint David, a portion of the San Pedro River corridor,...
Resource Identifiers: DGM-48 v3.0

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Published: 2016
The Corona de Tucson 7 ½' Quadrangle is located in the southeastern margin of the Tucson basin in Pima County, southeastern Arizona. The map area encompasses developed and undeveloped portions...
Resource Identifiers: DGM-115

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Published: 2019
The Blythe 7 ½' Quadrangle straddles the Colorado River, including the City of Blythe, California and areas to the south, in western Arizona and eastern California. The map encompasses much of...
Resource Identifiers: DGM-124

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Published: 2015
The area covered by this geologic map includes all of the Wintersburg 7 ½' quadrangle and parts of the adjacent Arlington, Gillespie and Tonopah quadrangles surrounding the Palo Verde Nuclear...
Resource Identifiers: DGM-77

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Published: 2012
This geologic map covers much of southeastern Big Chino Valley and a small part of Big Black Mesa in Yavapai County, north of Prescott.
Resource Identifiers: DGM-90

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Published: 2002
The White Tank Mountains are a mid-Tertiary metamorphic core complex located 65 kilometers west of Phoenix. Bedrock is composed of Proterozoic metamorphic and plutonic rocks, two late Cretaceous to...
Resource Identifiers: DGM-14

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Published: 2012
The White Hills West 7½' Quadrangle encompasses part of Detrital Valley, the western flank of the White Hills, and small part of the Black Mountains in northwestern Arizona. This map depicts the...
Resource Identifiers: DGM-97

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Published: 2002
The geologic map of the Tortolita Mountains encompasses the Tortolita Mountains 7.5’ quadrangle plus parts of 3 adjoining 7.5’ quadrangles; Desert Peak and Marana to the west and southwest, and...
Resource Identifiers: DGM-26

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Published: 2013
Quaternary geology of the Safford Basin, Graham County, Arizona, was mapped in three 7 1/2' minute quadrangles: Artesia, Safford and Thatcher. The geologic mapping is original but informed by...
Resource Identifiers: DGM-105

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Published: 2015
A compilation geologic map of the southwest part of the Tonto National Forest. Included here is the ArcGIS data including shapefiles published as DI-41.
Resource Identifiers:
DGM-76
DI-41

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Published: 2010
Bedrock in the Spring Water Canyon 7 ½' Quadrangle consists primarily of the Lower Cretaceous Bisbee Group. Formation names were applied during earlier mapping by Finnell (1971). Bisbee Group...
Resource Identifiers: DGM-79

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Published: 2002
As part of the mid-Tertiary Boot Heel volcanic field, the southern Peloncillo Mountains provide a wonderful opportunity to study to Oligocene cauldron structures, intracaldera and extracaldera...
Resource Identifiers: DGM-25

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Published: 2002
The Sierra Ancha are a series of high plateaus, mesas, and ridges that extend from Theodore Roosevelt Lake in the south to the Mogollon Rim on the north. The southern margin is in some paces a...
Resource Identifiers: DGM-24

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