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This is a list of Superfund sites in Arizona designated under the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) environmental law. The CERCLA federal law of 1980 authorized the United States Environmental Protection Agency (EPA) to create a list of polluted locations requiring a long-term response to clean up ...
Planet is a populated place on the north bank of the Bill Williams River [1] in La Paz County, Arizona, United States. The town was known as a travelers' stopping place, and had a post office from 1902 to 1921. [2] It is now a ghost town. [3] It is part of the United States Bureau of Reclamation's Planet Ranch Conservation Area.
The Agua Fria River (Spanish for "cold water") is a 120-mile (190 km) long intermittent stream which flows generally south from 20 miles (32 km) east-northeast of Prescott in the U.S. state of Arizona.
The United States Geological Survey (USGS) operates a Puerco River stream gauge 1 mile (1.6 km) southwest of Chambers in Arizona. The maximum discharge recorded by this gauge between 1971 and 2009 was 17,800 cubic feet per second (500 m 3 /s) on Sept. 30, 1971, and the minimum discharge was often zero, from a drainage basin of 2,156 square miles (5,580 km 2).
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 ...
Rio Rico is located in Santa Cruz County, north of Nogales at the confluence of Sonoita Creek and the Santa Cruz River. [8] According to the United States Census Bureau, the community has a total area of 62.3 square miles (161.2 km 2), all land. [9] Rio Rico includes the site of the ghost town of Calabasas, Arizona.
Whitewater Draw: originally considered the upper reach of the Rio de Agua Prieta, it enters Mexico as the head of Rio de Agua Prieta, which runs southward then southeast to join the Rio de San Bernardino, at La Junta de los Rios, Sonora, about 24.5 miles southeast of Douglas, Arizona.
Sites marked where persons perished crossing la Frontera from Mexico, North up San Pedro River. The San Pedro Valley is a site for Holocene mammal fossils because of the riparian environment. In recent decades, the Arizona Geological Society has focused on the region, as well as researchers. Development pressures, recreation, and groundwater ...