Duripan Horizon and Durinodes - Soil Geography of the USA: A Diagnostic-Horizon Approach - page 137

Table 14.3 (continued)

No.
series

%of
total

Area
(km 2 )

%of
total Order Suborder Great group Subgroup

Cambids Haplocambids Durinodic 11 2,949

Durinodic Xeric 25 5,611

Cryids Petrocryids Duric Xeric 3 49

Durids Argidurids Abruptic 4 54,430

Abruptic Xeric 21

Argidic 12

Haploxeralfic 22

Typic 35

Ustic 3

Vertic 3

Vitrixerandic 4

Xeric 71

Haplodurids Aquic 4

Aquicambidic 4

Cambidic 22

Typic 38

Ustic 1

Vitrandic 1

Vitrixerandic 6

Xereptic 29

Xeric 48

Natridurids Aquic Natrargidic 2

Natrargidic 6

Natrixeralfic 4

Typic 9

Vitrixerandic 2

Xeric 4

523 63.1 85,966 80.6

Inceptisols Udepts Durustepts Typic 1

Xerepts Durixerepts Entic 3

Typic 7

11

1.3 531 0.5

Mollisols Aquolls Duraquolls Argic 2

Natric 4

Typic 5

Cryolls Duricryolls Argic 1

Calcic 2

Typic 2

Ustolls Durustolls Argiduridic 5

Entic 1

Natric 1

(continued)