IDENTIFIERS

Current Taxon Name (Soil Name): UNNAMED

OSD

Series Extent

User Site ID: S1996CA005003

User Pedon ID: 96CA005003

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 97P0067

Print Date: 4/28/2024

LOCATION

Township: 5N

Range: 10E

Section: 17

PLSS Details: About 1 1/4 miles SE of Buena Vista on Buena Vista Road; about 800 feet north along the N/S road between sections 16 and 17 from the intersection (near Wardlaw's pit) of the northward loop on the southern E/W dirt road, thence 80 feet west; or about 2

Location Description: (NE 1/4 Grid A8).

State: California

County: CA005—Amador

Non-MLRA Soil Survey Area: CA628—Amador Area, California

PEDON

Describers Name: Terry D. Cook and William Westerling.

Current Taxonomic Class: Loamy, parasesquic, acid, thermic, shallow Dystric Xerorthents

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from PDP 3.x

Pedon #: 3

Correlated Information:

Soil Name - UNNAMED

PSC - 0 to 13 cm.

Classificaton Date - 1/19/2024

Classifier - Cathy Scott

Soil Taxonomic Edition - thirteenth edition

Moisture Class - xeric

Moisture Subclass - typic

Sampled As Information:

Soil Name - UNNAMED

Taxonomic Class - Coarse-loamy, mixed, acid, shallow Dystric Xerorthents

PSC - 0 to 13 cm.

Classificaton Date - 5/2/1996

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: hills

Landform: terrace

Slope Position: on a slope

Slope Shape Across: linear

Slope Shape Down: linear

Runoff: medium

Drainage Class: well

Surface Fragments: 50.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 5/2/1996 (actual site observation date)

Air Photo ID: 10-2-5

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Pedon Restrictions
Kind	Hardness	Restriction Depth L-H	Restriction Thickness L-RV-H
		cm
bedrock, paralithic plinthite	— —	30 - 170 30 - 170	- 140 - - 140 -

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
ochric epipedon paralithic contact plinthite paralithic materials	0—13 13— 30—170 30—170	—13— —- —140— —140—

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
8	—	—	133	—	180	500	—	—	16	—	—	—	—	—	—	—	—	—	—

A—0 to 5 centimeters (0.0 to 2.0 inches); dark reddish brown (5YR 3/3), reddish brown (5YR 4/3), dry; sandy loam; 75 percent sand; 17 percent silt; 7 percent clay; moderate fine and medium subangular blocky parts to weak fine and medium granular structure; soft, very friable, slightly sticky, slightly plastic; 21.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 21.0 very fine tubular and 21.0 fine and medium tubular pores; 12 percent by volume subrounded 2-39-75 millimeter unspecified fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 97P00404; dry when described;. 10-15 percent subrounded and rounded petroplinthitic and few quartzite gravel 2 mm to 2 inches in size.

Bw—5 to 13 centimeters (2.0 to 5.1 inches); dark reddish brown (5YR 3/4) and dark reddish brown (2.5YR 3/4), reddish brown (5YR 5/4) and reddish brown (5YR 4/4), dry; sandy loam; 78 percent sand; 14 percent silt; 9 percent clay; moderate fine subangular blocky structure; slightly hard, very friable, nonsticky, nonplastic; 21.0 medium roots and 3.0 fine roots and 0.5 coarse roots; 3.0 very fine and fine tubular and 3.0 very fine interstitial pores; 12 percent by volume subrounded 2-39-75 millimeter unspecified fragments; very strongly acid, pH 4.8, hellige-truog; abrupt wavy boundary. Lab sample # 97P00405; dry when described;. 10-15 percent subrounded and rounded petroplinthitic and few quartitic gravel 2 mm to 2 inches in size.

2Bv1—13 to 30 centimeters (5.1 to 11.8 inches); reddish brown (2.5YR 4/4) and red (2.5YR 5/6), light reddish brown (2.5YR 6/4), dry; sandy clay loam; 52 percent sand; 17 percent silt; 31 percent clay; massive; hard, slightly sticky, moderately plastic; 0.5 very fine and fine roots top of horizon and 0.5 very fine and fine roots in cracks; 3.0 very fine tubular pores; fragments; extremely acid, pH 4.1, hellige-truog; gradual wavy boundary. Lab sample # 97P00406; dry when described;. Massive with fractures or weak rock-like structure; few lenticular pockets of petroplinthite.

2Bv2/2Cr—30 to 120 centimeters (11.8 to 47.2 inches); 5 percent light gray (10YR 7/1) and 5 percent white (10YR 8/1), yellowish brown (10YR 5/4) and yellowish brown (10YR 5/6) and light yellowish brown (10YR 6/4) and 35 percent dark yellowish brown (10YR 3/6) and 5 percent red (10R 4/8) exterior, dry; bedrock; 54 percent sand; 12 percent silt; 34 percent clay; massive; extremely hard, slightly sticky, moderately plastic; 0.5 very fine and fine roots in cracks and 0.5 very fine and fine roots top of horizon; fragments; extremely acid, pH 3.7, hellige-truog; gradual wavy boundary. Lab sample # 97P00407; slightly moist when described;. Few lenticular pockets of petroplinthite; massive with fractures or weak rock-like structure. Dark red (2.5YR 3/6) in mostly horizontal bands.

2Bv3/2Cr—120 to 170 centimeters (47.2 to 66.9 inches); pale red (10R 6/4), yellowish brown (10YR 5/6) and yellowish brown (10YR 5/8) and brownish yellow (10YR 6/8) and 35 percent dark red (10R 3/6) and red (10R 4/6) and red (10R 4/8) and red (10R 4/8) exterior, dry; bedrock; 57 percent sand; 18 percent silt; 24 percent clay; massive; extremely hard, slightly sticky, moderately plastic; fragments; extremely acid, pH 3.7, hellige-truog. Lab sample # 97P00408; slightly moist when described;. Weak rock-like structure; dark red (2.5YR 3/6) in mostly horizontal bands.