Soil Summary:
dominant soils are very shallow and shallow to granite and similar rocks; very gravelly sandy loams throughout, some soils with gravelly clay loam or very gravelly sandy loam surfaces and gravelly clay loam, gravelly clay and clay subsoils; no lime; no to moderate soil development (clay accumulation); dominated by Pima County soil survey map units 13 (Cellar-Lehmans complex, 5 to 25 percent slopes), 14 (Cellar-Rock outcrop complex, 30 to 65 percent slopes), and 16 (Chimenea very gravelly fine sandy loam, 5 to 15 percent slopes). These units comprise 43%, 24% and 12% of the ELT, respectively
Geologic Materials:
alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm, TXmy), Pleistocene piedmont alluvium (Qi2), and sandstone, siltstone and conglomerate, undivided (QTs) which comprise 97%, 1% and 1% of the unit, respectively
