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Hoypus soil series

Soil profile of the Hoypus series. (Soil Survey of San Juan County, Washington; by By Michael Regan, Natural Resources Conservation Service)

 

The Hoypus series consists of very deep, somewhat excessively drained soils that formed in glacial outwash. These soils are on outwash plains and hillslopes and have slopes of 3 to 50 percent. Average annual precipitation is about 24 inches and the average annual temperature is about 49 degrees F.

 

TAXONOMIC CLASS: Sandy-skeletal, isotic, mesic Typic Xerorthents

 

Particle size control section:

Rock fragments - 35 to 60 percent gravel, 0 to 10 percent cobbles, 0 to 5 percent cobbles and 35 to 75 percent total

Clay content - 0 to 5 percent

Solum thickness - 20 to 30 inches

 

USE AND VEGETATION: Timber production and homesites are the principal uses. Small areas are used for pasture. Potential natural vegetation consists of Douglas-fir and Pacific madrone. Understory species include Oregon grape, oceanspray, bald hip rose, brackenfern, honeysuckle, blackcap, and strawberry.

 

DISTRIBUTION AND EXTENT: Northwestern Washington. Series is moderately extensive.

 

For additional information about the survey area, visit:

www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/washington/WA0...

 

For a detailed soil description, visit:

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

 

For acreage and geographic distribution, visit:

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

 

 

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Uploaded on February 28, 2011
Taken in January 2002