Soil Series Atlas

Soils of Arizona

865 soil series mapped on 45.70 million acres

050100150cm1 ft2 ft3 ft4 ftAnTopsoil · sodium0–3 cm · 0–1 inBAnSubsoil grading from topsoil · sodium3–13 cm · 1–5 inBtknz1Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium13–20 cm · 5–8 inBtknz2Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium20–28 cm · 8–11 inBtknz3Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium28–46 cm · 11–18 inBtknz4Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium46–81 cm · 18–32 inBtknz5Subsoil · clay build-up, lime (carbonate)build-up, salts, sodium81–99 cm · 32–39 in2BCknz1Subsoil grading to parent material · lime(carbonate) build-up, salts, sodium,different parent material99–117 cm · 39–46 in2BCknz2Subsoil grading to parent material · lime(carbonate) build-up, salts, sodium,different parent material117–152 cm · 46–60 in050100150cmAnTopsoil · sodium0–3 cm · 0–1 inBAnSubsoil grading fromtopsoil · sodium3–13 cm · 1–5 inBtknz1Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium13–20 cm · 5–8 inBtknz2Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium20–28 cm · 8–11 inBtknz3Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium28–46 cm · 11–18 inBtknz4Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium46–81 cm · 18–32 inBtknz5Subsoil · claybuild-up, lime(carbonate) build-up,salts, sodium81–99 cm · 32–39 in2BCknz1Subsoil grading toparent material · lime(carbonate) build-up,salts, sodium,different parentmaterial99–117 cm · 39–46 in2BCknz2Subsoil grading toparent material · lime(carbonate) build-up,salts, sodium,different parentmaterial117–152 cm · 46–60 in
Casa Grande, to scale.

Aridisols — soils of dry climates

The state soil, Casa Grande, ranks 19th of 865 series here on 329,087 acres. First place goes to Gunsight, an Aridisol covering 2.9% of the state’s mapped soil. Aridisols make up over half of the mapped soil (52.5%).

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

Soil orders in Arizona

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Largest series in Arizona

  1. GunsightAridisols · 1,304,386 acres2.85%
  2. DenureAridisols · 853,070 acres1.87%
  3. SheppardEntisols · 852,580 acres1.87%
  4. ThunderbirdMollisols · 623,647 acres1.36%
  5. RillitoAridisols · 610,435 acres1.34%
  6. WinonaAridisols · 593,599 acres1.30%
  7. MohallAridisols · 591,944 acres1.30%
  8. MonueAridisols · 498,881 acres1.09%
  9. HyderEntisols · 478,674 acres1.05%
  10. SpringervilleVertisols · 475,509 acres1.04%

Atlas series mapped in Arizona

  1. Casa Grande152 cm · Typic Natrargids
  2. Penistaja178 cm · Ustic Haplargids