Sections

Ecological Land Types within LTA 32.

ELT 32a

Elevation Range
Minimum: 
1116 m
Minimum in ft: 
3660 ft
Maximum: 
1294 m
Maximum in ft: 
4246 ft
Median: 
1196 m
Median in ft: 
3924 ft
Soil Summary: 
very deep, very gravelly fine sandy loam surface layer over gravelly fine sandy loam, gravelly and very gravelly sandy loam, and, lower in the soil profile, very gravelly loamy sand, limy throughout, moderate development (lime accumulation); dominated by Pima County soil survey map unit 79 (Tombstone very gravelly loam, 14 to 50 percent slopes) which comprises 94% of the ELT
Geologic Materials: 
alluvium, colluvium and residuum associated with Miocene to Quaternary conglomerate with colluvial veneer (QTsc) and Aqua Verde facies of Pantano Formation (Tpav) which comprise 56% and 24% of the ELT, respectively
Landforms: 
finely dissected, deeply incised fan and pediment surfaces

ELT 32b

Elevation Range
Minimum: 
1220 m
Minimum in ft: 
4001 ft
Maximum: 
1274 m
Maximum in ft: 
4181 ft
Median: 
1249 m
Median in ft: 
4098 ft
Soil Summary: 
very deep, very gravelly fine sandy loam surface layer over gravelly fine sandy loam, gravelly and very gravelly sandy loam, and, lower in the soil profile, very gravelly loamy sand, limy throughout, moderate development (lime accumulation); dominated by Pima County soil survey map unit 79 (Tombstone very gravelly loam, 14 to 50 percent slopes) which comprises 94% of the ELT
Geologic Materials: 
alluvium, colluvium and residuum associated with basin fill deposits (QTs) and Holocene alluvium (Qy) which comprise 71% and 22% of the ELT, respectively
Landforms: 
finely dissected, moderately incised fan and pediment surfaces

Catalina