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Soil Science Photos by John Kelley: In Explore… Relic redox concentrations or Plinthite
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Soil Science Photos by John Kelley: Platy Plinthite over brick layer
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Soil Science Photos by John Kelley: Dothan soil and landscape SC
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ericrstoner: Embrapa 50 anos . . .
Suelos: Monolitos de suelo - FAUBA
Suelos: Monolitos de suelo - FAUBA
Suelos: Monolitos de suelo - FAUBA
Suelos: Estructura del suelo - Prismas y bloques
Suelos: Estructura del suelo - Prisma
Suelos: Estructura del suelo - Prismas y bloques
Suelos: Estructura del suelo - Prismas y bloques
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butts97: Moma SketchPad. .jpg
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butts97: Tabebuia avellanedae 137
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butts97: Glaris, Davos, Prättigau, GR (3)
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butts97: Pau terra (Qualea megalocarpa) Chapadao, Goias, BR.
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butts97: Rio Negro, Patagonia, Arg. img011
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butts97: 2006-09-26 Calitzdorp, Western cape, ZA. (2)
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butts97: F. Bentivi, Salmourao, SP 02679 (1)
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Soil Science Photos by John Kelley: Ironstone sheet and petroferric contact
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Soil Science Photos by John Kelley: Gypsum disc
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butts97: Silbertal, Vorarlberg, A. (121)
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butts97: Fogo no mato GK, f05_o (1)
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butts97: Emas Nat'l Park, Goias, Brasil 002
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butts97: Nova fazenda, Ribas, MS. 02590 (3)
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butts97: Reforestation 2.4.07 007
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Soil Science Photos by John Kelley: Clay bridging in sandy soil (Bt horizon)
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butts97: Development
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butts97: Constructing 768
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Soil Science Photos by John Kelley: A “patchwork quilt” of soils from South Korea
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smatlack01: Clarksburg Soil Pit