ELT 13a

Elevation Range

Minimum:

1786 m

Minimum in ft:

5858 ft

Maximum:

2632 m

Maximum in ft:

8636 ft

Median:

2347 m

Median in ft:

7700 ft

Soil Summary:

dominant soils are shallow to moderately deep to bedrock, very flaggy and flaggy loam and sandy loam and gravelly fine sandy loam surfaces over very channery and flaggy sandy loams, gravelly sandy loams and fine sandy loams, and clays, no lime present, weak to strong development; unit dominated by Pima County soil survey map units 75 (Spudrock-Boriana complex, 10 to 35 percent slopes), 76 (Spudrock-Far-Rock outcrop complex, 25 to 65 percent slopes), and 77 (Spudrock-Lemmon complex, 15 to 45 percent slopes). These units comprise 60%, 21%, and 15% of the ELT, respectively

Geologic Materials:

alluvium, colluvium and residuum associated with the Catalina-Rincon igneous metamorphic complex (TXm) comprises 100% of the unit

Landforms:

coarsely to finely dissected, weakly incised mountain slopes and ridges with some widely spaced upper canyons

Land Type Association: LTA 13

Ecological Unit: Ponderosa pine forest on hills and mountains derived from granite, gneiss, and similar rocks

Map with the ELT 13a polygon highlighted.