A5102792705- Archaeology and Natural History
- Cryospheric studies and observations
- Groundwater and Isotope Geochemistry
- Diverse Education Studies and Reforms
- Hydrology and Watershed Management Studies
- Water Quality and Resources Studies
First posted October 15, 2019 For additional information, contact: Director,Arizona Water Science CenterU.S. Geological Survey520 N. Park AvenueTucson, AZ 85719 Tumacácori National Historical (TUMA) in southern Arizona protects the culturally important Mission San José de Tumacácori, while also managing a part of ecologically diverse riparian corridor Santa Cruz River. The quality water flowing through depends solely on upstream watershed activities, and among water-quality issues concerning...
The N aquifer is the major source of water in 5,400-square-mile area Black Mesa northeastern Arizona. Availability an important issue this because continued industrial and municipal use, a growing population, precipitation about 6 to 14 inches per year. monitoring program has been operating since 1971 designed determine long-term effects ground-water withdrawals from for uses. includes measurements (1) pumping, (2) levels, (3) spring discharge, (4) surface-water (5) chemistry, (6) periodic...