Soil Series Atlas

Entisols

Young soils with little or no horizon development

050100150cm1 ft2 ft3 ft4 ftAbove the subsoilTopsoil and any leached layer0–15 cm · 0–6 inSubsoilFirst B horizon to the base of the solum15–69 cm · 6–27 inBelow the solumParent material or rock, to the mediandepth described69–152 cm · 27–60 in050100150cmAbove the subsoilTopsoil and any leachedlayer0–15 cm · 0–6 inSubsoilFirst B horizon to thebase of the solum15–69 cm · 6–27 inBelow the solumParent material orrock, to the mediandepth described69–152 cm · 27–60 in
The typical Entisols profile: a schematic drawn to scale from the medians of 640 official series descriptions. It is not a real pedon.

Soil order · 2,892 established series in the classification database

Entisols cover 196.15 million acres of mapped U.S. soils — 12.3% of all series acres, the 3rd largest of the twelve orders — across 3,003 mapped series.

Median solum thickness in their typical pedons is 69 cm, with the first B horizon at 15 cm. Official descriptions of Entisols go down a median 152 cm.

Entisols among the twelve orders

Share of all acres mapped to a named series, with this order highlighted.

Mollisols 27.3% · Alfisols 17.3% · Entisols 12.3% · Ultisols 11.8% · Inceptisols 11.4% · Aridisols 9.7% · Spodosols 3.7% · Vertisols 2.7% · Histosols 1.9% · Andisols 1.3% · Gelisols 0.5% · Oxisols <0.1%

Guide: The twelve soil orders, measured

Largest Entisols series

Mapped acres in current SSURGO data, across all series in the order.

  1. Valentine10,802,220 acres10.8 M
  2. Valent3,525,118 acres3.5 M
  3. Cabbart2,680,209 acres2.7 M
  4. Bibb2,303,319 acres2.3 M
  5. Cabba2,092,839 acres2.1 M
  6. Lakeland2,009,276 acres2.0 M
  7. Coly1,969,797 acres2.0 M
  8. Colby1,876,377 acres1.9 M
  9. Travessilla1,481,834 acres1.5 M
  10. Sheppard1,431,620 acres1.4 M

Entisols on this site

9 Entisols series profiled here, largest first, drawn at one depth scale.

  1. ValentineTypic Ustipsamments · 5 states
  2. ValentUstic Torripsamments · 7 states
  3. CabbartAridic Ustorthents · 4 states
  4. BibbTypic Fluvaquents · 12 states
  5. CabbaTypic Ustorthents · 5 states
  6. LakelandTypic Quartzipsamments · 7 states
  7. ColyTypic Ustorthents · 3 states
  8. BohicketTypic Sulfaquents · 6 states · state soil
  9. WindsorTypic Udipsamments · 8 states · state soil