Soil Series Atlas

Soils of Maryland

324 soil series mapped on 5.53 million acres

050100150cm1 ft2 ft3 ft4 ft5 ftApTopsoil · plowed0–23 cm · 0–9 inBASubsoil grading from topsoil23–53 cm · 9–21 inBt1Subsoil · clay build-up53–81 cm · 21–32 inBt2Subsoil · clay build-up81–102 cm · 32–40 inC1Parent material102–132 cm · 40–52 inC2Parent material132–178 cm · 52–70 in050100150cmApTopsoil · plowed0–23 cm · 0–9 inBASubsoil grading fromtopsoil23–53 cm · 9–21 inBt1Subsoil · clay build-up53–81 cm · 21–32 inBt2Subsoil · clay build-up81–102 cm · 32–40 inC1Parent material102–132 cm · 40–52 inC2Parent material132–178 cm · 52–70 in
Sassafras, to scale.

Ultisols — strongly weathered, leached soils with a clay-enriched subsoil

The state soil, Sassafras, ranks 9th of 324 series here on 117,443 acres. First place goes to Glenelg, an Ultisol covering 5.8% of the state’s mapped soil. Ultisols make up over half of the mapped soil (63.9%).

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

Soil orders in Maryland

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Largest series in Maryland

  1. GlenelgUltisols · 317,903 acres5.75%
  2. OthelloUltisols · 157,565 acres2.85%
  3. ManorInceptisols · 140,036 acres2.53%
  4. BrinklowUltisols · 138,826 acres2.51%
  5. BeltsvilleUltisols · 136,723 acres2.47%
  6. WoodstownUltisols · 136,417 acres2.47%
  7. MattapexUltisols · 132,493 acres2.40%
  8. FallsingtonUltisols · 121,869 acres2.20%
  9. SassafrasUltisols · 117,443 acres2.12%
  10. InglesideUltisols · 104,339 acres1.89%

Atlas series mapped in Maryland

  1. Greenwich183 cm · Typic Hapludults
  2. Sassafras178 cm · Typic Hapludults
  3. Downer203 cm · Typic Hapludults
  4. Hazleton183 cm · Typic Dystrudepts
  5. Monongahela165 cm · Typic Fragiudults
  6. Gilpin79 cm · Typic Hapludults
  7. Berks84 cm · Typic Dystrudepts
  8. Weikert46 cm · Lithic Dystrudepts