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Significant distances requiring transportation in Southern Arizona are generally traveled by highway and the railroad. Southern Arizona is the location of the major transcontinental Interstate highway Interstate 10 from the border with New Mexico westward through Tucson, and then continuing northwest via Casa Grande to the Phoenix–Scottsdale–Mesa metropolis.
Murray Springs is located in southern Arizona near the San Pedro River and once served as a Clovis hunting camp approximately 11,000 years BP. The site is unique for the massive quantity of large megafauna processing and extensive tool making. Archaeologists identified five buried animal kills and processing locations and a Clovis camp location.
Arizona is also one of the Four Corners states and is diagonally adjacent to Colorado. Arizona has a total area of 113,998 square miles (295,253 km 2), making it the sixth largest U.S. state. [1] Of this area, just 0.3% consists of water, which makes Arizona the state with the second lowest percentage of water area (New Mexico is the lowest at ...
The following are approximate tallies of current listings in Arizona on the National Register of Historic Places. These counts are based on entries in the National Register Information Database as of April 24, 2008 [2] and new weekly listings posted since then on the National Register of Historic Places web site. [3]
The southeast of Arizona, with New Mexico, northwest Chihuahua and northeast Sonora contain insular sky island mountain ranges, (the Madrean Sky Islands), or smaller subranges in association. There are also numerous Sonoran Desert ranges, or Arizona transition zone ranges. Northern and northeast Arizona also has scattered ranges throughout.
South of Roskruge, Arizona Route 86 enters the valley from the Tohono O'odham Nation to the west. Robles Junction, Arizona, is also in the southwest, at the junction of the valley going southwest to Sasabe, the Altar Valley. Robles Junction is also at the northwest of the mountain range on Avra Valley's southern border, the Sierrita Mountains.
In 1888 Arizona & Southeastern built a 60-mile (97 km) line southward along the San Pedro River from a connection with the Southern Pacific Railroad at Benson to Bisbee. The A&SE track partially paralleled the New Mexico and Arizona Railroad (NM&A) that was built six years earlier (1882) on the opposite side of the San Pedro River from Benson ...
State Route 83 (SR 83) is a scenic state highway in southern Arizona, stretching from its junction with Interstate 10 near Vail south to Parker Canyon Lake.It passes through sparsely populated areas of Pima, Cochise and Santa Cruz Counties, passing through the wine towns of Sonoita and Elgin.