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ContributorsFred Harvey (Publisher)
Created1905
Description

Color postcard titled, "8797 El Tovar Grand Canyon of Arizona." Handwritten annotation, "Dear Miss Oakley, I expect to leave here Tuesday A.M. Have had the time of my life. Lovingly, M."

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ContributorsPhelps, George (Photographer) / Fred Harvey (Publisher) / John G. Verkamp (Publisher)
Description

Color postcard titled, "East From (Hopi) Rowe Point."

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ContributorsFred Harvey (Publisher)
Description

Color postcard titled, "H-4452 The Watchtower at Desert View, Grand Canyon National Park, Arizona." Circa 1930-1939.

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ContributorsDarton, Nelson Horatio (Author) / Fred Harvey (Publisher)
Created1917
DescriptionBooklet describing a geological survey of the Grand Canyon. Four editions: 1917, 1929, 1936, 1950.
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ContributorsSpencer, Jon E. (Author) / Arizona Geological Survey (Publisher)
Created2009
Description

The essential process in continuous casting is cooling and solidification of the cast medium during heat loss across a slip surface followed by extrusion from a mold. There are implications here for the manner in which core complexes form.

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ContributorsRauzi, Steven L. (Author) / Spencer, Jon E. (Author) / Arizona Geological Survey (Publisher)
Created2009
Description

This open-file report describes the carbon-sequestration potential at the site of the 1 Alpine-Federal geothermal test drill hole, which is located south of Springerville in central eastern Arizona near the New Mexico border. A previous report, Arizona Geological Survey (AZGS) Open-File Report OFR 94-1, version 2.0, describes the subsurface geology

This open-file report describes the carbon-sequestration potential at the site of the 1 Alpine-Federal geothermal test drill hole, which is located south of Springerville in central eastern Arizona near the New Mexico border. A previous report, Arizona Geological Survey (AZGS) Open-File Report OFR 94-1, version 2.0, describes the subsurface geology encountered in the 1 Alpine-Federal well in much more detail than this new report.

ContributorsWitcher, James (Author) / The Pride Publishing Company (Client)
Created1994
Description

This summary report overviews a State of Arizona and U. S. Department of Energy funded drilling project to determine if near-term hot dry rock (HDR) geothermal potential exists in the eastern portion of the White Mountains region of Arizona. A 4,505 feet deep slim-hole exploratory well, Alpine1/Federal, was drilled within

This summary report overviews a State of Arizona and U. S. Department of Energy funded drilling project to determine if near-term hot dry rock (HDR) geothermal potential exists in the eastern portion of the White Mountains region of Arizona. A 4,505 feet deep slim-hole exploratory well, Alpine1/Federal, was drilled within the Apache-Sitgreaves National Forest at Alpine Divide near the Alpine Divide camp ground about 5 miles north of Alpine, Arizona in Apache County (Figure 1). A comprehensive technical report, in two parts, details the results of the project. Part 1, Alpine1/Federal, Drilling Report, discusses the drilling operations,
logging program, permitting and site selection for the hole. Part 2, Temperature Gradients, Geothermal Potential, and Geology, summarizes the temperature gradients, heat flow, geothermal potential, and subsurface geology.