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| | SOUTH DAKOTA STATE SOIL - |
 | | The Chinese ring-necked pheasant is the state bird, the Black Hills spruce is the state tree, the pasque is the state flower, rose quartz is the state mineral, triceratops is the state fossil, and Houdek loam is the state soil. |
 | | Soils may be thick to thin, stony to not stony; saline to not saline; sandy, silty, loamy, or clayey; sloping, flat, or in depressions; and may occur where climates are moist to dry and warm to cool. |
 | | The kind of soil that develops in any area is the result of the interaction of the five soil forming factors; climate, biota (vegetation and soil organisms), parent material, topography, and time or the age of the soil. |
| pssasd.sdstate.org /Houdek (1576 words) |
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