Soil Summary:
soil survey coverage for this ELT is incomplete but extensive enough to ascertain that the dominant soils are very shallow and shallow to granite and similar rocks; very cobbly loams or very gravelly sandy loams throughout; no lime; no soil development; the mapped area is dominated by Pima County soil survey map unit 40 (Lampshire-Romero- Rock outcrop complex, 10 to 65 percent slopes)
Geologic Materials:
alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) which comprise 99% of the unit
