Ecological Land Type

ELT 140b

Elevation Range
Minimum: 
1200 m
Minimum in ft: 
3937 ft
Maximum: 
1502 m
Maximum in ft: 
4927 ft
Median: 
1342 m
Median in ft: 
4403 ft
Soil Summary: 
very deep, gravelly or very gravelly loam and sandy loam surfaces with subsoils ranging from clays to very gravelly sandy clay loams, lime occurs deep in the profile or is lacking altogether, well developed (clay accumulation); dominated by Pima County soil survey map units 85 (White House gravelly loam, 1 to 8 percent slopes) and 84 (White House-Caralampi complex, 5 to 25 percent slopes)
Geologic Materials: 
alluvium and residuum associated with gravelly alluvial fan and braidplain facies of the Quiburis Formation (Tqc); Early Pleistocene piedmont deposits (Qo); and Quaternary and Tertiary sandstone, siltstone and conglomerate, undivided (QTs) which comprise 42%, 31% and 12% of the unit, respectively
Landforms: 
undissected to coarsely dissected, deeply incised fan and pediment surfaces
LTA 140

Map with the ELT 140b polygon highlighted.Photo Point 007, Photo Point 008Photo Point 190Photo Point 192Photo Point 185Photo Point 187