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Indoor instruction at GRDA Headquarters board room
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Group gathered around soils maps at one of the instruction soil pits.
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Dr. Brian Carter instructing the group on the whole soil profile method.
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Squeezing a soil sample to feel particle size content (clay, silt, sand)
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Instructing others to texture soils by feel.
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Stacy Day, Oklahoma Conservation Commission, working the soil in her fingers.
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Dr. Carter using a Munsell Color Chart to determine soil color
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A weak acid is used to check the soil for carbonates.
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A near-lake soil with very large pore spaces - not great for a standard septic system.
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