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Hymas soil series

The Hymas series consists of shallow, well drained soils that formed in residuum and colluvium from limestone. The Hymas soils are on mountainsides, ridges or uplands. Slopes are 10 to 75 percent. The mean annual precipitation is about 13 inches and the mean annual temperature is about 44 degrees F.

 

TAXONOMIC CLASS: Loamy-skeletal, carbonatic, frigid Lithic Haploxerolls

 

Soil moisture - Moist in late fall, winter and spring; dry from late June through September.

Soil temperature - 42 to 47 degrees F.

Average summer soil temperature - 59 to 66 degrees F.

Mollic epipedon thickness - 7 to 14 inches.

Depth to bedrock - 10 to 20 inches.

Control section

Clay content: 8 to 27 percent.

Rock fragments: 35 to 80 percent dominantly angular fragments of limestone.

 

DRAINAGE AND PERMEABILITY: Well drained; medium or rapid runoff; moderate permeability.

 

USE AND VEGETATION: Rangeland and wildlife habitat. The present vegetation is mainly big sagebrush, cheatgrass, phlox, bluebunch wheatgrass, Sandberg bluegrass, rabbitbrush and bitterbrush.

 

For additional information about Idaho soils, please visit:

storymaps.arcgis.com/stories/97d01af9d4554b9097cb0a477e04...

 

For a detailed description, visit:

soilseries.sc.egov.usda.gov/OSD_Docs/H/HYMAS.html

 

For acreage and geographic distribution, visit:

casoilresource.lawr.ucdavis.edu/see/#hymas

 

 

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Uploaded on February 6, 2011
Taken in January 2000