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Webster
Credit: Jon Sandor

Wadena
Credit: Jerry Miller

Vesser
Credit: Jerry Miller

Storden
Credit: Jerry Miller

Sharpsburg
Credit: Jon Sandor

Primghar
Credit: Jerry Miller

Percival
Credit: R. Lensch

Nicollet
Credit: Jerry Miller

Marshall
Credit: Jon Sandor

Lester
Credit: Jerry Miller

Lawler
Credit: Jerry Miller

Kenyon
Credit: Jerry Miller

Fayette
Credit: Jon Sandor

Clinton
Credit: Jerry Miller

Clarinda
Credit: R. Lensch

Armstrong
Credit: Jerry Miller

Albaton
Credit: J. Gertsma

Dystric Planosol (WRB)
Dystric Planosol (WRB)

Sangamon Paleosol
Sangamon Paleosol

Luvisol (WRB)
Luvisol (WRB)

Histosol (WRB)
Histosol (WRB)

Anthrosol under Warsaw
Anthrosol under Warsaw

Entisol, Michigan, soil
Entisol, Michigan, soil

Eutric Cambisol (WRB)
Eutric Cambisol (WRB)

Eutric Cambisol (WRB)
Eutric Cambisol (WRB)

Brunic Arenosol (WRB)
Brunic Arenosol (WRB)

Arenic Luvisol (WRB)
Arenic Luvisol (WRB)