IDENTIFIERS

Current Taxon Name (Soil Name): Port

OSD

Series Extent

User Site ID: S1991OK083004

User Pedon ID: 91OK083004

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 91P0875

NCSS Pedon Lab Data NASIS Record ID - 63913

Print Date: 6/3/2024

LOCATION

Location In Web Soil Survey

AOI is roughly a square mile and pedon is marked in the center.

Location in SoilWeb

Location in Google Maps

Std. Latitude: 35.9255562

Std. Longitude: -97.2938919

Datum: WGS84

Map Unit: LawA—Lawrie loam, 0 to 1 percent slopes, rarely flooded

Country: US—United States

State: Oklahoma

County: OK083—Logan

MLRA: 80A—Central Rolling Red Prairies

Regional Office: SC—South Central

MLRA Soil Survey Area: SC-STW—Stillwater, Oklahoma

PEDON

Describers Name: Wilson, Ford(in pit), Ward(color, pH)

Pedon Purpose: full pedon description

Pedon Record Orgin: Converted from SSL-CMS data

Pedon #: 4

Sampled As Information:

Soil Name - Port

Taxonomic Class - Fine-silty, mixed Pachic Argiustolls

PSC - 48 to 99 cm.

Classificaton Date - 6/1/1991

Moisture Class - ustic

Dynamic Soil Properties:

Erosion Class - 0

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: river valley

Runoff: low

Drainage Class: well

Surface Fragments: 0.00 percent

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 6/1/1991 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: water erosion

Pedon Diagnostic Features
Feature Kind	Feature Depth L-H	Feature Thickness L-RV-H
	cm
mollic epipedon argillic horizon calcic horizon	0—130 48—208 208—226	—- —- —-

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
1	—	—	283	—	90	79	—	—	16	27	4	17	28	6	—	—	—	3821	—

Ap—0 to 15 centimeters (0.0 to 5.9 inches); reddish brown (5YR 4/3) exterior and reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/3) exterior and dark reddish brown (5YR 3/3) crushed, moist; loam; moderate fine subangular blocky, and moderate medium granular structure; soft, very friable; 2.5 very fine and fine roots throughout; 2.5 very fine and fine discontinuous tubular pores; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 91P05316. common very fine and fine roots throughout

Ad—15 to 25 centimeters (5.9 to 9.8 inches); reddish brown (5YR 4/3) exterior and reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/3) exterior and dark reddish brown (5YR 3/3) crushed, moist; loam; moderate coarse subangular blocky structure; very hard, very firm; 2.5 very fine and fine roots between peds; 0.5 very fine discontinuous tubular pores; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. Lab sample # 91P05317. roots concentrated along ped faces; common very fine and fine roots between peds

Bt—25 to 48 centimeters (9.8 to 18.9 inches); reddish brown (5YR 4/3) exterior and reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/3) exterior and dark reddish brown (5YR 3/3) crushed, moist; silt loam; moderate medium subangular blocky, and moderate fine subangular blocky structure; slightly hard, friable; 2.5 very fine and fine roots throughout; 5.5 very fine continuous tubular and 2.5 fine continuous tubular pores; fragments; moderately acid, pH 6.0, hellige-truog; gradual smooth boundary. Lab sample # 91P05318. common very fine and fine roots throughout

Bt1b—48 to 66 centimeters (18.9 to 26.0 inches); dark reddish gray (5YR 4/2) exterior and reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/2) exterior and dark reddish brown (5YR 3/3) crushed, moist; silty clay loam; 34 percent clay; moderate medium prismatic, and strong medium angular blocky structure; hard, firm; 2.5 very fine roots throughout; 5.5 very fine continuous tubular and 2.5 fine continuous tubular pores; fragments; slightly acid, pH 6.3, hellige-truog; gradual wavy boundary. Lab sample # 91P05319. common very fine roots throughout

Bt2b—66 to 86 centimeters (26.0 to 33.9 inches); dark reddish gray (5YR 4/2) exterior and reddish brown (5YR 4/3) crushed, dark reddish brown (5YR 3/2) exterior and dark reddish brown (5YR 3/3) crushed, moist; silty clay loam; 32 percent clay; strong medium prismatic, and strong medium angular blocky structure; very hard, very firm; 2.5 very fine roots throughout; 5.5 very fine continuous tubular and 2.5 fine continuous tubular pores; fragments; slightly acid, pH 6.3, hellige-truog; diffuse wavy boundary. Lab sample # 91P05320. common very fine roots throughout

Bt3b—86 to 130 centimeters (33.9 to 51.2 inches); pale red (2.5YR 6/2) exterior and light reddish brown (2.5YR 6/3) crushed, dark red (2.5YR 3/6) exterior and dark red (2.5YR 3/6) crushed, moist; clay loam; 30 percent clay; strong medium prismatic, and strong medium angular blocky structure; very hard, very firm; 0.5 very fine roots throughout; 5.5 very fine continuous tubular and 2.5 fine continuous tubular pores; fragments; slightly acid, pH 6.5, hellige-truog; abrupt wavy boundary. Lab sample # 91P05321. moist ped face(2.5YR 3/4); few very fine roots throughout

Bt4b—130 to 183 centimeters (51.2 to 72.0 inches); pale red (2.5YR 6/2) exterior and light reddish brown (2.5YR 6/3) crushed, dark red (2.5YR 3/6) exterior and red (2.5YR 4/6) crushed, moist; loam; 24 percent clay; strong coarse prismatic, and strong coarse angular blocky structure; very hard, firm; 0.5 very fine roots throughout; 0.5 medium continuous tubular and 2.5 fine continuous tubular pores; 11 percent fine irregular iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; gradual wavy boundary. Lab sample # 91P05322. common fine soft masses of iron-manganese concentrations; few very fine roots throughout

Btkb—183 to 208 centimeters (72.0 to 81.9 inches); red (2.5YR 4/6) exterior and red (2.5YR 5/6) crushed, dark red (2.5YR 3/6) exterior and red (2.5YR 4/6) crushed, moist; loam; moderate medium prismatic, and moderate medium angular blocky structure; hard, firm; 0.5 very fine roots throughout; 2.5 medium continuous tubular and 5.5 fine continuous tubular pores; 30 percent very coarse and extremely coarse cylindrical lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 91P05323. 25% long narrow vertically oriented bodies of soft lime; many very coarse and extremely coarse soft masses of lime concentrations; few very fine roots throughout; effervescence is continuous

BCkb—208 to 226 centimeters (81.9 to 89.0 inches); red (2.5YR 4/6) exterior and red (2.5YR 5/6) crushed, dark red (2.5YR 3/6) exterior and red (2.5YR 4/6) crushed, moist; loam; weak medium prismatic structure; hard, friable; 0.5 very fine roots between peds; 2.5 medium continuous tubular and 5.5 fine continuous tubular pores; 11 percent fine irregular iron-manganese masses; 30 percent very coarse and extremely coarse cylindrical lime masses; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0, hellige-truog. Lab sample # 91P05324. common fine soft masses of iron-manganese concentrations; many very coarse and extremely coarse soft masses of lime concentrations; few very fine roots between peds; effervescence is continuous