| *** Primary Characterization Data *** |
| Pedon ID: S57-TX275-0353 | ( Knox, Texas ) | Print Date: Jan 8 2026 1:11PM |
| Sampled as on Aug 6, 1957: | Miles |
| Revised to correlated: | Miles E ; Fine-loamy, mixed, thermic Typic Paleustalfs |
| State of Texas | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Texas A&M University |
| - | Site ID | S57-TX275-0353 Lat: 33° 23' 56.00" north Long: 99° 41' 22.99" west MLRA: 78C | University Soil Laboratory | |
| - | Pedon No. | 40A4485 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | College Station, Texas | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 40A34299 | Ap | Ap | 0-20 | K0634 | FSL | |||
| 40A34300 | Bt1 | B1 t | 20-38 | K0635 | SCL | |||
| 40A34301 | Bt21 | B21t | 38-109 | K0636 | SCL | |||
| 40A34302 | Bt22 | B22t | 109-183 | K0637 | SCL | |||
| 40A34303 | Bk | Bca | 183-229 | K0638 | SCL | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 28 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 40 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 28 | % wt | |
| Weighted averages based on control section: 20-70 cm | |||
| PSDA & Rock Fragments | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| (- - - - - Total - - - - - -) | (- - Clay - - -) | (- - - - Silt - - - - -) | (- - - - - - - - - - - - Sand - - - - - - - - - - - -) | ( Rock Fragments (mm) ) | |||||||||||||||||
| Lab | Clay | Silt | Sand | Fine | CO3 | Fine | Coarse | VF | F | M | C | VC | (- - - - - - - - Weight - - - - - - - -) | >2 mm | |||||||
| Text- | < | .002 | .05 | < | < | .002 | .02 | .05 | .10 | .25 | .5 | 1 | 2 | 5 | 20 | .1- | wt % | ||||
| Depth | ure | .002 | -.05 | -2 | .0002 | .002 | -.02 | -.05 | -.10 | -.25 | -.50 | -1 | -2 | -5 | -20 | -75 | 75 | whole | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - % of <75mm - - - - - -) | soil | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | |||||||||
| 40A34299 | 0-20 | Ap | S | fsl | 16.9 | 12.2 | 70.9 | 9.3 | 14.5 | 42.7 | 9.2 | 4.4 | 0.1 | -- | -- | -- | 56 | -- | |||
| 40A34300 | 20-38 | Bt1 | S | scl | 20.2 | 18.5 | 61.3 | 10.9 | 16.9 | 37.1 | 5.1 | 2.1 | 0.1 | -- | -- | -- | 44 | -- | |||
| 40A34301 | 38-109 | Bt21 | S | scl | 32.2 | 17.1 | 50.7 | 25.4 | 13.5 | 31.1 | 4.1 | 1.9 | 0.1 | -- | -- | -- | 37 | -- | |||
| 40A34302 | 109-183 | Bt22 | S | scl | 23.9 | 21.4 | 54.7 | 16.5 | 18.5 | 30.2 | 4.1 | 1.8 | 0.1 | -- | -- | -- | 36 | -- | |||
| 40A34303 | 183-229 | Bk | S | scl | 29.4 | 25.0 | 45.6 | 15.6 | 13.0 | 26.0 | 3.1 | 2.6 | 0.9 | -- | -- | -- | 33 | -- | |||
| *** Primary Characterization Data *** |
| Pedon ID: S57-TX275-0353 | ( Knox, Texas ) | Print Date: Jan 8 2026 1:11PM |
| Sampled As | : | Miles | |||
| Texas A&M University Soil Survey Laboratory | ; | Pedon No. 40A4485 | |||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 6A1a | ||||||||||||||||||||||
| 40A34299 | 0-20 | Ap | S | 0.46 | ||||||||||||||||||
| 40A34300 | 20-38 | Bt1 | S | 0.81 | ||||||||||||||||||
| 40A34301 | 38-109 | Bt21 | S | 0.46 | ||||||||||||||||||
| 40A34302 | 109-183 | Bt22 | S | 0.17 | ||||||||||||||||||
| 40A34303 | 183-229 | Bk | S | 0.12 | ||||||||||||||||||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 6N2e | 6O2d | 6P2a | 6Q2a | ||||||||||||||
| 40A34299 | 0-20 | Ap | S | 1.5 | 0.4 | 0.6 | 100 | ||||||||||
| 40A34300 | 20-38 | Bt1 | S | 7.8 | 2.3 | 0.6 | 0.9 | 11.6 | 11.6 | 100 | |||||||
| 40A34301 | 38-109 | Bt21 | S | 11.0 | 5.2 | 0.5 | 0.8 | 17.5 | 17.5 | 100 | |||||||
| 40A34302 | 109-183 | Bt22 | S | 9.6 | 5.7 | 0.2 | 0.6 | 16.1 | 16.1 | 100 | |||||||
| 40A34303 | 183-229 | Bk | S | 9.3 | 0.2 | 0.9 | 100 | ||||||||||
| pH & Carbonates | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| (- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -) | (- - Carbonate - -) | (- - Gypsum - - -) | ||||||||||||
| CaCl2 | As CaCO3 | As CaSO4*2H2O | Resist | |||||||||||
| Depth | 0.01M | H2O | Sat | <2mm | <20mm | <2mm | <20mm | ohms | ||||||
| Layer | (cm) | Horz | Prep | KCl | 1:2 | 1:1 | Paste | Oxid | NaF | (- - - - - - - - - - - - % - - - - - - - - - - -) | cm-1 | |||
| 8C1a | 6E1a | |||||||||||||
| 40A34299 | 0-20 | Ap | S | 7.6 | tr | |||||||||
| 40A34300 | 20-38 | Bt1 | S | 7.2 | ||||||||||
| 40A34301 | 38-109 | Bt21 | S | 6.5 | ||||||||||
| 40A34302 | 109-183 | Bt22 | S | 7.2 | ||||||||||
| 40A34303 | 183-229 | Bk | S | 8.2 | 11 | |||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S57-TX275-0353 | ( Knox, Texas ) | Print Date: Jan 8 2026 1:11PM |
| Sampled As | : | Miles | |||
| Texas A&M University Soil Survey Laboratory | ; | Pedon No. 40A4485 | |||
| Miscellaneous Data | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- Sat Paste Ex. -) | (- Sand -) | ( Water Content ) | Bulk | ||||||||||||||
| (- - - - Extractable Bases - - - -) | (- - - CEC8 - - -) | CO3+ | (- - - pH - - -) | M+C+VC | Moist Sieved | Density | |||||||||||
| Depth | Ca | Mg | Na | K | NaOAC | BaCl2 | Ca+Mg | HCO3 | CaCl2 | H2O | .25-2 | 100 kPa | 200 kPa | 10 kPa | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -) | mmol(+)L-1 | mmol(-)L-1 | 1:10 | 1:10 | (- - - - - % of <2mm - - - - -) | g cm-3 | |||||||
| 5A2a | |||||||||||||||||
| 40A34299 | 0-20 | Ap | S | 7.4 | |||||||||||||
| 40A34300 | 20-38 | Bt1 | S | 11.4 | |||||||||||||
| 40A34301 | 38-109 | Bt21 | S | 18.2 | |||||||||||||
| 40A34302 | 109-183 | Bt22 | S | 15.3 | |||||||||||||
| 40A34303 | 183-229 | Bk | S | 19.9 | |||||||||||||