- Tempe Butte
Tempe Butte is the official name of an
andesite butte of volcanic origin, located partially onArizona State University 's main campus inTempe, Arizona . It is often referred to by locals as A Mountain, after the sixty-foot tall gold-painted letter 'A' near the top. Another name for the area, used by the City of Tempe, is Hayden Butte.The highest point of Tempe Butte stands at 1496 feet in elevation, while its base is approximately at about 1150 feet in elevation.
Tempe Butte is most often seen as the backdrop to games held in
Sun Devil Stadium , including until recently theTostitos Fiesta Bowl , as well asSuper Bowl XXX .Geography
Originally, Tempe Butte was part of a series of horizontal layers, but through tilting of the strata by the isostatic formation of South Mountain, and millennia of erosion created the distinctive hogback of resistant andesite, over sedimentary deposits and
rhyolite beds.Despite intensive development, the butte and its immediate surroundings continue to support a variety of native vegetation, including
saguaro ,buckhorn cholla ,barrel cactus ,creosote bush ,palo verde , andmesquite . Native wildlife includejackrabbit s, and small desert-adapted species such aspack rat s.History
Signs of early habitation by the
Hohokam people have been found on Tempe Butte, includingpetroglyph s, pot sherds, scrapers, andmetate . The area just west of the butte would be settled by the 1870s in an area first known as Hayden's Ferry, then a major crossing for the Salt River which flows just north of the butte. The proximity of the community to the butte promptedDarrell Duppa to fancifully compare the area to theVale of Tempe nearMount Olympus inGreece ; therefore, the town was given its present name. The remains of the Hayden Flour Mill (which lends its name to main thoroughfare Mill Avenue) still stand near the western edge of the butte.More recent alterations include two water tanks on the south flank of the butte, and several trails, at least one paved, to provide access to manmade structures. The east side of the butte was partially excavated in order to accommodate the construction of Sun Devil Stadium in 1958. A fifty-foot tall radio tower was built on the top of the mountain in 1962 for the
Salt River Project [http://www.geocaching.com/mark/details.aspx?PID=DU2174 1] .Recent development along the adjacent stretch of the Salt River (which has been dammed to form
Tempe Town Lake ) has prompted several grassroots movements to preserve the butte from further environmental damage [http://www.phoenixnewtimes.com/issues/2000-05-11/feature.html 2] .The A
Originally, the letter on Tempe Butte was an 'N', built by Tempe Normal School's class of 1918. The school changed its name to Tempe State Teacher's College in 1925, and the 'N' was adapted into a 'T'. Subsequently, three years later, the school would change its name again to Arizona State Teacher's College, but the letter 'A' would not appear on Tempe Butte until 1938. This 'A' was destroyed by a bomb blast in 1952, prompting the construction of the current 'A' in 1955. The letter is made from reinforced steel and concrete, and is an external structure rather than being carved into the mountain or whitewashed directly on the rock.
Due to the existence of a preexisting "A Mountain" for the
University of Arizona (Sentinel Peak), students from these rival schools often attempt to paint the other's 'A' in their school colors. Guarding the A is an annual ritual in the week leading up to the annual ASU-UA football game, theTerritorial Cup . The A has been painted in other colors for various causes, and is painted white at the beginning of each school year, but is usually painted gold, one of ASU's school colors.External links
* [http://www.asu.edu/tour/main/amtn.html ASU Campus Tour: A Mountain]
* [http://alliance.la.asu.edu/gph111/VirtualTempeButte/intro/overview.html Overview of Tempe Butte] physical geography
*
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