Matching Items (4)
Filtering by
- All Subjects: Geology
- All Subjects: Hopi House (Ariz.)
- Creators: Fred Harvey
- Creators: Brown, David Earl
- Creators: Moon, Karl C.
ContributorsMoon, Karl C. (Photographer)
DescriptionPhoto of a man on a ladder and women in a window in a Romeo and Juliet type pose. Circa 1920.
ContributorsFred Harvey (Publisher)
Created1923
DescriptionRates for lodging and tours operated by the Fred Harvey Company including El Tovar, Bright Angel Cottages, Hermit Cabins, and Phantom Ranch.
ContributorsDarton, Nelson Horatio (Author) / Fred Harvey (Publisher)
Created1917
DescriptionBooklet describing a geological survey of the Grand Canyon. Four editions: 1917, 1929, 1936, 1950.
ContributorsBrown, David Earl (Author) / Arizona Geological Survey (Publisher)
Created2007
Description
This report details geothermal resource exploration done for Arizona Public Service and the U.S. Department of Energy in 2005 to evaluate the geothermal resources of the Clifton Hot Springs area in Greenlee County, eastern Arizona for electric power production. The intent of the evaluation was to determine the local geologic controls of the geothermal system and, using publicly available data and original mapping performed for this project, to recommend locations for Controlled Source Audiomagnetotelluric (CSAMT) cross sections. The results of the geophysics were then combined with the geologic mapping to site three gradient holes, two of which were drilled to depths of 635 feet and 1,000 feet, respectively.