Arizona Geological Survey Digital Geologic Maps
The Lookout Mountain 7½' Quadrangle includes part of the San Pedro River lowlands, flanking valley fill, and bedrock on the west side of the valley that forms the eastern Black Hills and...
Resource Identifiers: DGM-66, v. 2.0
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The map area is comprised entirely of late Cenozoic sediments. The map area can be divided into two geomorphic settings. The NW half of the quadrangle includes Yuma Valley and consists of Holocene...
Resource Identifiers: DGM-88 v.1.0
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Fort Thomas map area encompasses portions of the Fort Thomas, Geronimo, Bylas, and Gila Peak quadrangles in the Gila River Valley of Graham County, SE Arizona. This geologic map was funded in part...
Resource Identifiers: DGM-126
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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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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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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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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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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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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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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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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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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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Geologic Map of the Blythe 71/2’ Quadrangle, La Paz County, Arizona and Riverside County, California
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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Geologic Map of Green Valley 7.5' Quadrangle, Pima County, Arizona, 1 sheet, map scale 1:24,000.
Resource Identifiers: DGM-142
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The Oro Valley 7.5' Quadrangle covers an area, located approximately 25 km north of downtown Tucson, that extends over much of Oro Valley and includes parts of the adjacent Tortolita Mountains...
Resource Identifiers: DGM-21
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This geologic map of the Twin Buttes 7.5' quadrangle, located south of Tucson in southern Arizona, includes both bedrock and surficial mapping. The map shows the 2120 level in the Twin Buttes...
Resource Identifiers: DGM-31
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The Esperanza Mill 7 ½' Quadrangle is located approximately 40 km south-southwest of
downtown Tucson, and is on the southeast flank of the Sierrita Mountains. The quadrangle
encompasses the...
Resource Identifiers: DGM-33
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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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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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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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