The process of updating the Pinal model geology was begun in 2007, and had not been addressed since Modeling Report No. 2 (Corkhill and Hill, 1990). The purpose of this provisional report is to document the data collection activities and findings of the hydrogeologic framework of the study area. This report will be finalized after the Pinal Active Management Area (AMA) Regional Groundwater Flow Model report which documents the update and recalibration of the groundwater flow model in Pinal County have been completed.
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.
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.
This technical memorandum presents the results of the sensitivity analysis completed for the Resolution Copper (RC) groundwater flow model developed by WSP in support of the EIS for the Resolution Copper Mine plan and land exchange.
This memo will focus directly on answering this question and provide graphical output from the predictive model to demonstrate the hydraulic containment of the groundwater through the years after mine closure.
Arizona will have to reduce its Colorado River water usage by 592,000 acre-feet next year, or 21% of its total allotment, the U.S. Bureau of Reclamation announced Tuesday.
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.
