Soil Summary:
dominant soils are very shallow and shallow to granite and similar rocks; very cobbly loams or very gravelly sandy loams throughout; some soils have gravelly coarse sandy loam surfaces and sandy clay loam subsoils; no lime; little or no soil development to modest development (clay accumulation); nearly complete coverage of the unit indicates Pima County soil survey map units 52 (Oracle-Romero-Rock outcrop complex, 5 to 35 percent slopes) and 40 (Lampshire-Romero-Rock outcrop complex, 10 to 65 percent slopes) dominate
Geologic Materials:
slope alluvium, colluvium and residuum associated mostly with Catalina-Rincon igneous metamorphic complex (TXm). It comprises 96% of the unit
