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Conic soil series

Soil profile: The Conic series consists of moderately deep, well drained soils. (Soil Survey of Voyageurs National Park,

Minnesota; by Peter Weikle, Natural Resources Conservation Service)

 

Landscape: Conic soils formed in a mantle of friable loamy material and underlying firm till over bedrock. They have moderate saturated hydraulic conductivity in the friable material and slow saturated hydraulic conductivity in the firm till. Slopes range from 2 to 35 percent. Mean annual precipitation is about 28 inches and mean annual air temperature is about 38 degrees F.

 

TAXONOMIC CLASS: Coarse-loamy, isotic, frigid Typic Dystrudepts

 

Depth to firm till is 12 to 30 inches. Depth to bedrock is 20 to 40 inches. Content of coarse fragments by volume in the upper friable layer is 5 to 20 percent for gravel and 2 to 20 percent for stones and boulders. Some cobbles are included. Coarse fragments in the firm till ranges from 15 to 35 percent of mostly gravel but includes some cobbles and stones. Fragments primarily are of igneous origin, but some are of metamorphic origin. Textures of the A, E and Bw horizons are loam, silt loam, gravelly fine sandy loam, gravelly sandy loam and gravelly coarse sandy loam. Some pedons have stony modifiers. The solum ranges from extremely acid to medium acid.

 

USE AND VEGETATION: These soils are mostly in mixed deciduous and coniferous forest. Major species are quaking aspen, paper birch, white spruce, balsam fir, and jack, red, and white pines. Major resource uses are related to timber, recreation, water and wildlife habitat.

 

DISTRIBUTION AND EXTENT: The Laurentian Shield of northeastern Minnesota and parts of New York. Moderate extent.

 

For additional information about the survey area, visit:

www.nrcs.usda.gov/Internet/FSE_MANUSCRIPTS/minnesota/voya...

 

For a detailed soil description, visit:

soilseries.sc.egov.usda.gov/OSD_Docs/C/CONIC.html

 

For acreage and geographic distribution, visit:

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

 

 

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Uploaded on March 25, 2011
Taken in January 2000