The Research Ranch encompasses about 8,000 acres of Madrean mixed grass prairie, Madrean oak woodlands and ephemeral riparian habitats.
Ecological Site Maps (973 kb PDF)
Soil and Range Resource Inventory (374 kb PDF)
Land Ownership (307 kb PDF)
Species Lists can be found in the Library under Biota of AWRR
Depth of Ground Water - Information avaliable to approved researchers.