| *** Primary Characterization Data *** |
| Pedon ID: 73TX111001 | ( Dallam, Texas ) | Print Date: Dec 8 2025 5:06PM |
| Sampled as : | Dallam |
| Revised to correlated on Aug 1, 1991: | Dallam ; Fine-loamy, mixed, mesic Aridic Paleustalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | 73TX111001 Lat: 36° 14' 29.00" north Long: 102° 51' 15.00" west MLRA: 77A | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4622 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 40A35178 | A | A1 | 0-20 | 73L0521 | LFS | |||
| 40A35179 | Bt1 | B21t | 20-58 | 73L0522 | SCL | |||
| 40A35180 | Bt2 | B22t | 58-81 | 73L0523 | SCL | |||
| 40A35181 | Btk | B23tca | 81-145 | 73L0524 | SCL | |||
| 40A35182 | Bt3 | B24t | 145-239 | |||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 27 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 37 | % wt | |
| Clay, total, Weighted Average | 27 | % 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 | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | ||||||
| 40A35178 | 0-20 | A | S | lfs | 9.9 | 8.1 | 82.0 | 7.5 | 3.3 | 4.8 | 12.5 | 45.3 | 20.0 | 4.1 | 0.1 | -- | -- | -- | 70 | -- | |
| 40A35179 | 20-58 | Bt1 | S | scl | 27.0 | 22.4 | 50.6 | 20.3 | 9.8 | 12.6 | 12.3 | 25.3 | 10.1 | 2.8 | 0.1 | -- | -- | -- | 38 | -- | |
| 40A35180 | 58-81 | Bt2 | S | scl | 27.5 | 26.3 | 46.2 | 18.9 | 12.2 | 14.1 | 12.6 | 22.8 | 8.3 | 2.4 | 0.1 | -- | -- | -- | 34 | -- | |
| 40A35181 | 81-145 | Btk | S | scl | 24.8 | 25.5 | 49.7 | 12.7 | tr | 12.4 | 13.1 | 15.1 | 24.0 | 8.0 | 2.3 | 0.3 | -- | -- | -- | 35 | -- |
| 40A35182 | 145-239 | Bt3 | S | -- | -- | -- | |||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 73TX111001 | ( Dallam, Texas ) | Print Date: Dec 8 2025 5:06PM |
| Sampled As | : | Dallam | |||
| USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A4622 | |||
| Bulk Density & Moisture | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (Bulk Density) | Cole | (- - - - - - - - - - - Water Content - - - - - - - - - - -) | ( Air Dry-Oven Dry ) | WRD | Aggst | ||||||||||||
| 33 | Oven | Whole | 6 | 10 | 33 | 1500 | 1500 kPa | (- - - - Ratio - - - -) | Whole | Stabl | (- - Ratio/Clay - -) | ||||||
| Depth | kPa | Dry | Soil | kPa | kPa | kPa | kPa | Moist | Corrected | Soil | 2-0.5mm | CEC7 | 1500 kPa | ||||
| Layer | (cm) | Horz | Prep | (- - - g cm-3 - - -) | (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) | cm3 cm-3 | % | ||||||||||
| NK | 4A1h | 4B1c | NK | NK | |||||||||||||
| 40A35178 | 0-20 | A | S | 4.2 | 0.42 | ||||||||||||
| 40A35179 | 20-58 | Bt1 | S | 10.7 | 0.40 | ||||||||||||
| 40A35180 | 58-81 | Bt2 | S | 1.52 | 1.67 | 0.032 | 20.5 | 18.6 | 11.0 | 0.12 | 0.40 | ||||||
| 40A35181 | 81-145 | Btk | S | 1.50 | 1.62 | 0.026 | 19.0 | 17.0 | 9.2 | 0.12 | 0.37 | ||||||
| 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 | |||
| NK | NK | NK | ||||||||||||
| 40A35178 | 0-20 | A | S | 6.1 | 6.8 | -- | ||||||||
| 40A35179 | 20-58 | Bt1 | S | 6.5 | 7.3 | -- | ||||||||
| 40A35180 | 58-81 | Bt2 | S | 7.4 | 7.9 | -- | ||||||||
| 40A35181 | 81-145 | Btk | S | 7.7 | 8.3 | 5 | ||||||||