Soil Summary:
dominant soils are shallow to moderately deep to bedrock, very flaggy sandy loam surfaces over very channery and flaggy sandy loams, no lime present, weak to moderate development; unit dominated by Pima County soil survey map unit 75 (Spudrock-Boriana complex, 10 to 35 percent slopes). This unit comprises 100% of the ELT
Geologic Materials:
alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit