IDENTIFIERS

Current Taxon Name (Soil Name): Tolby

OSD

Series Extent

User Site ID: S1991CO117010

User Pedon ID: 91CO117010

Vegetation Plot ID: S1991CO117010

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 92P0293

NCSS Pedon Lab Data NASIS Record ID - 64532

Print Date: 11/23/2024

LOCATION

State: Colorado

County: CO117—Summit

PEDON

Describers Name: J.W., J.H.

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 10

Sampled As Information:

Soil Name - Tolby

Taxonomic Class - Sandy-skeletal, mixed Typic Cryochrepts

Classificaton Date - 9/1/1991

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landform: dead ice moraine

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/1/1991 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Vegetation Plot Plants
Plant Symbol	Scientific Name	National Vernacular Name	Plant Type Group	Canopy Cover %	Vegetation Stata Level
ABLA PICO VASC	Abies lasiocarpa Pinus contorta Vaccinium scoparium	subalpine fir lodgepole pine grouse whortleberry	— — —	— — —	— — —

Setting and Climate
Slope	Slope Length USLE	Upslope Length	Elev.	Corr. Elev	Aspect	MAP	REAP	FFD	MAAT	MSAT	MWAT	MAST	MSST	MWST	MFFP	PE Index	Climate Station ID	Climate Station Name	Climate Station Type
%	m				degrees	mm	mm		C						mm
45	—	—	3024	—	0	76	—	—	—	—	—	9	—	—	—	—	—	—	—

Oi—0 to 3 centimeters (0.0 to 1.2 inches); fragments. decomposed litter

Oe—3 to 8 centimeters (1.2 to 3.1 inches); fragments. undecomposed litter

E—8 to 28 centimeters (3.1 to 11.0 inches); brown (10YR 5/3) crushed, very pale brown (10YR 7/3) crushed, dry; extremely bouldery sandy loam; weak fine granular structure; soft, very friable, nonsticky, nonplastic; 5.5 fine to coarse roots; 5.5 fine interstitial pores; 15 percent by volume 600-?-? millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 75-162-250 millimeter unspecified fragments; slight effervescence; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 92P01837. 14% clay, 76% sand, 10% silt; many fine to coarse roots

Bw—28 to 97 centimeters (11.0 to 38.2 inches); yellowish brown (10YR 5/4) crushed, brownish yellow (10YR 6/6) crushed, dry; extremely bouldery loamy sand; moderate fine and medium subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; 5.5 fine interstitial pores; 15 percent by volume 600-?-? millimeter unspecified fragments and 20 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 250-425-600 millimeter unspecified fragments; slight effervescence; slightly acid, pH 6.2, hellige-truog; gradual wavy boundary. Lab sample # 92P01838. 5% clay, 75% sand, 20% silt; few medium roots; common very fine and fine roots

C—97 to 135 centimeters (38.2 to 53.1 inches); light olive brown (2.5Y 5/6) crushed, yellowish brown (10YR 5/6) and pale brown (10YR 6/3), dry; extremely bouldery loamy sand; single grain; loose, loose, nonsticky, nonplastic; 2.5 very fine and fine roots and 0.5 medium roots; 2.5 fine interstitial pores; 15 percent by volume 2-39-75 millimeter unspecified fragments and 20 percent by volume 250-425-600 millimeter unspecified fragments and 20 percent by volume 600-?-? millimeter unspecified fragments; slight effervescence; neutral, pH 6.6, hellige-truog. Lab sample # 92P01839. 5% clay, 75% sand, 17% silt; few medium roots; common very fine and fine roots