Arizona Geological Survey Open File Reports


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Published: 1995
The primary criteria for selection of boundaries are geology and topography, in a few instances political boundaries were used 2) The lower Colorado River Valley extends along the Colorado River...
Resource Identifiers: OFR-95-2a

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Published: 1995
Surficial Geology of the Lower Agua Fria River, Lake Pleasant to Sun City, Maricopa County, Arizona. One report and two map sheets, scale 1:24,000.
Resource Identifiers: OFR-95-05

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Published: 1995
Land subsidence and related earth fissures have become widespread occurrences in southern Arizona. As the areal and vertical extent of subsidence has increased, more earth fissures have been...
Resource Identifiers: OFR-95-08

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Published: 1995
Arizona Geological Survey (AZGS) staff responded to more than 8,400 requests for information and assistance from persons who wrote, telephoned, or visited AZGS offices. Publication sales,...
Resource Identifiers: OFR-95-19

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Published: 1995
This report is a listing of 75 citations pertaining to subsidence and earth fissures in the Phoenix metropolitan area. The citations are listed alphabetically by author(s) and date; multiple...
Resource Identifiers: OFR-95-11

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Published: 1995
The study area is situated along the southern edge of the Superstition Mountains approximately 40 miles east of the greater Phoenix metropolitan area (Figure 1). Geology is dominated by mid-...
Resource Identifiers: OFR-95-10

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Published: 1995
The Arizona Department of Environmental Quality (ADEQ) contracted the Arizona Geological Survey (AZGS) to compile a survey of management practices for controlling and remediating surface and...
Resource Identifiers: OFR-95-13

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Published: 2013
The recent development of horizontal drilling techniques and application of hydraulic fracturing to horizontal wells has dramatically increased oil and gas production in the U.S., notably in areas...
Resource Identifiers: OFR-13-09

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Published: 1996
Geologic map of the Picacho Mine Area, southeastern California. Scale 1:10,000
Resource Identifiers: OFR-96-30

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Published: 1996
This study encompasses the southern part of both the Usery Mountains and the Goldfield Mountains and includes all areas where bedrock is exposed in the Apache Junction and Buckhorn USGS 7.5'...
Resource Identifiers: OFR-96-08

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Published: 1996
The lower Cienega basin is located at the southern end of the Rincon Mountains in the hanging wall of the regional Catalina-Rincon Detachment fault (Figure 1, Plate 1). The basin records two major...
Resource Identifiers: OFR-96-21

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Published: 1996
The Santan Mountains are a 25 km long, west-northwest trending uplift composed chiefly of Proterozoic and Cretaceous crystalline rocks overlain in the central and eastern part of the range by Mid-...
Resource Identifiers: OFR-96-09

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Published: 1996
Increasing destruction of natural habitat in the United States due to growing population has resulted in a series of laws, policies, and guidelines designed to protect and better manage natural...
Resource Identifiers: OFR-96-05

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Published: 1996
Integral to ascertaining the navigability of the Gila River at time of statehood is an understanding of the river's geomorphology. The Gila River has been the topic of several geomorphologic...
Resource Identifiers: OFR-96-14

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Published: 1996
Neogene sediments and sedimentary rocks are exposed at the Earth's surface or buried in the subsurface over much of western Arizona. The Bouse Formation in particular is exposed over a large...
Resource Identifiers: OFR-96-17

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Published: 1996
This study encompasses the western-most end of the Little Horn Mountains and the northeast end of the Kofa Mountains. Although relief in the area is less than 2000 feet, with elevations ranging from...
Resource Identifiers: OFR-96-24

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Published: 1996
The Verde River drainage is a major river system that heads in Big Chino Valley in north central Arizona, flows generally southeast through the rugged terrain of central Arizona, and empties into...
Resource Identifiers: OFR-96-13

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Published: 1996
Geologic Map of the Mesa 30' x 60' Quadrangle, East-Central Arizona. Includes surficial and bedrock mapping. Map Scale 1:100,000 - black & white map.
Resource Identifiers: OFR-96-23

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Published: 1996
This map and report summarize the surficial geology of the southern parts of the New River Mesa and Humboldt Mountain quadrangles on the northeastern margin of the Phoenix metropolitan area. The...
Resource Identifiers: OFR-96-26

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Published: 1996
The flood of Januruy 8, 1993 is the largest flood preserved in the paleoflood record for Tonto Creek, and probably was the largest flood in the past three hundred years on Tonto Creek. Deposits...
Resource Identifiers: OFR-96-12

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