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The spatial and temporal distribution of fault slip is a critical parameter in earthquake source models. Previous geomorphic and geologic studies of channel offset along the Carrizo section of the south central San Andreas Fault assumed that channels form more frequently than earthquakes occur and suggested that repeated large-slip earthquakes similar to the 1857 Fort Tejon earthquake illustrate typical fault behavior. We found that offset channels in the Carrizo Plain incised less frequently than they were offset by earthquakes.

The Mogollon (muh-ge-own) Escarpment of central Arizona is one of the State's spectacular natural attractions, especially when viewed from the rim of its precipitate cliffs.

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Map of Gila and Salt River Base Line. Township N1 South, Range N12 East, Meridian, Arizona.

This report summarizes the meteorological, upper-air (SoDAR¹), nitrogen dioxide (NO_²), sulfur dioxide (SO₂), ozone (O₃), and particulate matter (PM) data collected at the Resolution Copper Project near Superior, Arizona, for the fourth quarter, October 1 through December 31, 2017.

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This material is protected under copyright law and will not be posted to this website.

These pages contain an inventory and highlighted descriptions of scenic roads throughout the state. They are located in five marketing regions delineated by the Arizona Office of Tourism.

These Guidelines are primarily directed at providing advice on the above ground storage of tailings but many of the principles apply to other forms of tailings containment.

The purpose of the database is to provide a meaningful resource of factual authoritative data for analysis of trends, causes, and consequences, with a view to the changes that will result in effective loss prevention related to tailings management.