PEDON DESCRIPTION

Print Date: 02/16/2009Country: United States
Description Date: 09/15/2004State: Oregon
Describer: Richard A. WilliamsCounty: Morrow
Site ID: 04-RAW-001MLRA:
Site Note: Soil Survey Area: OR049 -- Morrow County, Oregon
Pedon ID: 04OR049001Map Unit:
Pedon Note: Quad Name:
Lab Source ID: SSLLocation Description: Madison Butte SNOTEL site
Lab Pedon #: 05N0676Legal Description: of Section 30, Township 5 S, Range 26 E
Soil Name as Described/Sampled: HonduLatitude: 45 degrees 6 minutes 17.39 seconds north
Soil Name as Correlated: Longitude: 119 degrees 29 minutes 45.60 seconds west
Classification: Loamy-skeletal Vitrandic HaploxereptsDatum:
Pedon Type: UTM Zone:
Pedon Purpose: research siteUTM Easting:
Taxon Kind: seriesUTM Northing:
Associated Soils:
Physiographic Division: Primary Earth Cover: Tree cover
Physiographic Province: Secondary Earth Cover: Conifers
Physiographic Section: Existing Vegetation: California brome, Douglas-fir, elk sedge, grand fir, pathfinder, pinegrass, ponderosa pine, prince's pine, sagebrush rockcress, vetch, western fescue, white hawkweed
State Physiographic Area: Parent Material: volcanic ash and/or colluvium derived from noncalcareous sandstone and/or loess
Local Physiographic Area: Bedrock Kind:
Geomorphic Setting: on head slope of mountainflank of None AssignedBedrock Depth:
Upslope Shape: convexBedrock Hardness:
Cross Slope Shape: linearBedrock Fracture Interval:
Particle Size Control Section: 11 to 41 cm.Surface Fragments:
Description origin: Windows PedonDescription database: NSSL
Diagnostic Features: ochric epipedon 3 to 10 cm.
cambic horizon 10 to 108 cm.



Cont. Site ID: 04-RAW-001Pedon ID: 04OR049001

Slope (%)Elevation (meters)Aspect (deg)MAAT (C)MSAT (C)MWAT (C)MAP (mm)Frost-Free DaysDrainage ClassSlope Length (meters)Upslope Length (meters)
21.01,600.0185





100

Oi--0 to 3 centimeters; clear wavy boundary.

A--3 to 10 centimeters; brown (10YR 4/3) very gravelly ashy silt loam, dark brown (10YR 3/3) rubbed, moist; 35 percent sand; 7 percent clay; weak very fine subangular blocky, and structure; very friable, nonsticky, nonplastic; common fine roots throughout and common very fine roots throughout; common very fine interstitial pores; 15 percent nonflat 76- to 250-millimeter sandstone fragments and 30 percent nonflat 2- to 75-millimeter sandstone fragments; strongly acid, pH 5.5; clear wavy boundary. Lab sample # 05N03877

Bw1--10 to 35 centimeters; brown (10YR 5/3) ashy very gravelly silt loam, dark yellowish brown (10YR 4/4) rubbed, moist; 40 percent sand; 7 percent clay; weak fine subangular blocky structure; very friable, nonsticky, nonplastic; common fine roots throughout and common medium roots throughout and common coarse roots and common very fine roots throughout; common very fine interstitial and common very fine interstitial pores; 15 percent 76- to 250-millimeter sandstone fragments and 35 percent nonflat 2- to 75-millimeter sandstone fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 05N03878

2Bw2--35 to 55 centimeters; brown (10YR 5/3) extremely cobbly loam, brown (10YR 5/3) rubbed, moist; 35 percent sand; 18 percent clay; weak fine subangular blocky structure; very friable, slightly sticky, slightly plastic; common fine roots throughout and common medium roots throughout and common very fine roots throughout; common very fine tubular and common very fine interstitial pores; 25 percent nonflat 76- to 250-millimeter sandstone fragments and 40 percent nonflat 2- to 75-millimeter sandstone fragments; slightly acid, pH 6.5; clear wavy boundary. Lab sample # 05N03879

2Bw3--55 to 108 centimeters; pale brown (10YR 6/3) extremely cobbly loam, brown (10YR 5/3) rubbed, moist; 40 percent sand; 20 percent clay; weak very fine subangular blocky structure; very friable, slightly sticky, slightly plastic; common fine roots throughout and common medium roots throughout and common very fine roots throughout; common fine tubular and common very fine tubular pores; 30 percent 76- to 250-millimeter sandstone fragments and 45 percent 2- to 75-millimeter sandstone fragments; neutral, pH 6.7; abrupt irregular boundary. Lab sample # 05N03880

R--108 centimeters.