Documents

Proposal to list the monarch butterfly (Danaus plexippus), the iconic orange and black butterfly, as a threatened species and designate critical habitat under the Endangered Species Act of 1973, as amended (Act).

Assessment of the impacts of the Telegraph Fire on Arizona hedgehog cactus (AHC; Echinocereus triglochidiatus var. arizonicus) located east of the town of Superior in Pinal County, Arizona.

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Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.

This report presents the results of sitespecific probabilistic seismic hazard analyses (PSHA) and deterministic seismic hazard analyses (DSHA) of four sites for the RMC tailings storage facilities options in southern Arizona.

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and particulate matter (PM) data collected at the Resolution Copper Project near Superior, Arizona for the second quarter, April 1-June 30, 2013.

In 1995, the Magma Copper Company discovered a porphyry copper deposit beneath thick postmineral cover 2 km south of the historic Magma mine in Superior, Arizona. Since that time drilling has delineated a large, high-grade, hypogene copper-molybdenum deposit, now named the Resolution deposit, with an inferred resource of 1,624 million metric tons (Mt) at 1.47% Cu and 0.037% Mo.

Fish surveys were conducted in order to determine the presence of absence of the Gila chub, as well as other native fishes within portions of Devils Canyon and upper Mineral Creek, and within two stock tanks in the vicinity of the Project. The Gila chub is listed by USFWS as endangered with critical habitat under the ESA.

Surveys reported here focus specifically on potential habitat for amphibians: the lentic habitats (ponds and stock tanks) and lotic habitats (ephemeral drainages and creeks) in the Oak Flat/East Plant Area, including portions of Devils Canyon south of U.S. Route 60.

Website with ADEQ's eMaps of nonattainment, attainment, and maintenance areas.

Community profile information about San Carlos, Arizona.