Soil Series Atlas

Soils of Pennsylvania

400 soil series mapped on 25.74 million acres

050100150cm1 ft2 ft3 ft4 ft5 ft6 ftOeOrganic layer · moderately decomposed0–5 cm · 0–2 inELeached layer5–10 cm · 2–4 inBhsSubsoil · humus build-up, iron andaluminum build-up10–15 cm · 4–6 inBsSubsoil · iron and aluminum build-up15–20 cm · 6–8 inBw1Subsoil · color or structure change20–43 cm · 8–17 inBw2Subsoil · color or structure change43–61 cm · 17–24 inBw3Subsoil · color or structure change61–86 cm · 24–34 inCParent material86–147 cm · 34–58 inRHard bedrock147–183 cm · 58–72 in050100150cmOeOrganic layer ·moderately decomposed0–5 cm · 0–2 inELeached layer5–10 cm · 2–4 inBhsSubsoil · humusbuild-up, iron andaluminum build-up10–15 cm · 4–6 inBsSubsoil · iron andaluminum build-up15–20 cm · 6–8 inBw1Subsoil · color orstructure change20–43 cm · 8–17 inBw2Subsoil · color orstructure change43–61 cm · 17–24 inBw3Subsoil · color orstructure change61–86 cm · 24–34 inCParent material86–147 cm · 34–58 inRHard bedrock147–183 cm · 58–72 in
Hazleton, to scale.

Inceptisols — young soils with weakly developed horizons

Pennsylvania’s state soil, Hazleton, is also its most extensive series, with 1,589,533 acres (6.2% of the mapped soil). No order holds a majority; Inceptisols lead with 41.2%, ahead of Ultisols at 37.0%.

Atlas series mapped in PennsylvaniaGuide: state soils and where series began

Soil orders in Pennsylvania

AlabamaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island

Largest series in Pennsylvania

  1. HazletonInceptisols · 1,589,533 acres6.18%
  2. GilpinUltisols · 1,216,407 acres4.73%
  3. WeikertInceptisols · 872,638 acres3.39%
  4. BerksInceptisols · 846,584 acres3.29%
  5. CookportUltisols · 816,336 acres3.17%
  6. BuchananUltisols · 785,222 acres3.05%
  7. OquagaInceptisols · 758,694 acres2.95%
  8. LaidigUltisols · 705,506 acres2.74%
  9. WhartonUltisols · 568,855 acres2.21%
  10. WellsboroInceptisols · 552,982 acres2.15%

Atlas series mapped in Pennsylvania

  1. Sassafras178 cm · Typic Hapludults
  2. Hazleton183 cm · Typic Dystrudepts
  3. Monongahela165 cm · Typic Fragiudults
  4. Gilpin79 cm · Typic Hapludults
  5. Berks84 cm · Typic Dystrudepts
  6. Shelocta152 cm · Typic Hapludults
  7. Weikert46 cm · Lithic Dystrudepts