Aguirre Valley (782 square miles)

USGS Cataloging Unit: 15050305 Land Ownership Category Acres Percent Land Use Private 12,545 2.5 Category Acres Percent State 37,880 7.6 Cropland 2,160 0.4 Tribal 406,022 81.1 Forest Land 5,161 1.0 BLM 44,301 8.8 Rangeland 475,571 95.0 Forest Service 0 0.0 Urban 207 0.0 NPS/USFWS 0 0.0 Water 0 0.0 Defense 0 0.0 Other 17,649 3.5 Other 0 0.0 Total (Rounded) 500,748 100.0 Total (Rounded) 500,748 100.0

Conservation Districts Sells, Arizona 85634 Sells Field Office Eloy NRCD (520) 383-2851 P.O. Box 577 115 E. First Street, Ste. D Sells, Arizona 85634 Casa Grande, Arizona 85222 NRCS Field Offices (520) 383-2851 (520) 836-2048 Casa Grande Field Office Pima NRCD 115 E. First Street, Ste. D American Indian Nations 5814 W. Circle H Place Casa Grande, Arizona 85222 Tohono O'Odham Nation Tucson, Arizona 85713 (520) 836-2048 P.O. Box 837 (520) 887-8520 Tucson Field Office Sells, Arizona 85634 Tohono O'Odham Nation 4650 N. Highway Dr. Environmental: (520) 383-2221 SWCD Tucson, Arizona 85705 Natural Resources: (520) 383- HC02 Box 7480 (520) 887-8520 3379

MLRA 40 Sonoran Basin and Range Land Resource Unit 40-1AZ Upper Sonoran Desert Shrub Land Resource Unit 40-2AZ Middle Sonoran Desert Shrub MLRA 41 Southeastern Arizona Basin and Range Land Resource Unit 41-1AZ Mexican Oak - Pine Woodland and Oak Savannah Land Resource Unit 41-3AZ Southern Arizona Semidesert Grassland

SOIL SURVEY ID SOIL SURVEY NAME AZ669 Pima County, AZ, Eastern Part AZ659 Pinal County, AZ, Western Part AZ703 Tohono O'odham Nation, AZ, Parts of Maricopa, Pima and Pinal Counties

NRCS Technical Guide Section II Page 1 July, 2002