| *** Primary Characterization Data *** |
| Pedon ID: S1972CA049016 | ( Modoc, California ) | Print Date: Apr 22 2025 10:40PM |
| Sampled as on Sep 9, 1972: | Exel |
| Revised to correlated: | EXEL ; Fine-loamy, mixed Xeric Argidurids |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL72CA012 NE CALIF | Natural Resources Conservation Service |
| - | Site ID | S1972CA049016 Lat: 41° 33' 42.01" north Long: 120° 23' 41.99" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 72C0111 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 72C00651 | A1 | A1 | 0-13 | 72651 | L | SL | ||
| 72C00652 | A2 | A3 | 13-28 | 72652 | L | L | ||
| 72C00653 | Bt11 | B21 t | 28-43 | 72653 | CL | L | ||
| 72C00654 | Bt12 | B22 t | 43-64 | 72654 | CL | L | ||
| 72C00655 | Bt2 | B31 t | 64-76 | 72655 | CL | CL | ||
| 72C00656 | Bqm1 | B32sI m | 76-89 | 72656 | CL | SCL | ||
| 72C00657 | Bqm2 | C1 sI m | 89-108 | 72657 | LCOS | |||
| 72C00658 | Bqm3 | C2 sI m | 108-120 | 72658 | COSL | |||
| 72C00659 | A1 | A1 | 0-13 | 72659 | L | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.97 | (NA) | |
| Clay, carbonate free, Weighted Average | 25 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 53 | % wt | |
| Volume, >2mm, Weighted Average | 18 | % vol | |
| Clay, total, Weighted Average | 25 | % wt | |
| Weighted averages based on control section: 28-76 cm | |||
| *** Primary Characterization Data *** |
| Pedon ID: S1972CA049016 | ( Modoc, California ) | Print Date: Apr 22 2025 10:40PM |
| Sampled As | : | Exel | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 72C0111 | |||
| 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 | 3B1 | 3B1 | 3B1 | ||||||||
| 72C00651 | 0-13 | A1 | S | sl | 13.2 | 34.4 | 52.4 | 21.4 | 13.0 | 8.1 | 13.7 | 8.2 | 13.4 | 9.0 | 6 | 5 | -- | 50 | 11 | ||
| 72C00652 | 13-28 | A2 | S | l | 18.0 | 33.3 | 48.7 | 21.5 | 11.8 | 8.6 | 13.0 | 7.0 | 11.2 | 8.9 | 4 | 3 | 1 | 45 | 8 | ||
| 72C00653 | 28-43 | Bt11 | S | l | 20.1 | 32.9 | 47.0 | 20.6 | 12.3 | 9.3 | 13.8 | 7.5 | 9.8 | 6.6 | 4 | 3 | 1 | 43 | 8 | ||
| 72C00654 | 43-64 | Bt12 | S | l | 22.1 | 33.0 | 44.9 | 21.4 | 11.6 | 8.2 | 13.4 | 7.1 | 10.1 | 6.1 | 4 | 3 | 9 | 47 | 20 | ||
| 72C00655 | 64-76 | Bt2 | S | cl | 35.2 | 23.1 | 41.7 | 14.2 | 8.9 | 6.6 | 10.5 | 6.2 | 9.3 | 9.1 | 2 | 7 | 52 | 75 | 66 | ||
| 72C00656 | 76-89 | Bqm1 | S | scl | 26.5 | 15.0 | 58.5 | 9.5 | 5.5 | 3.7 | 12.5 | 7.7 | 17.1 | 17.5 | -- | 20 | 39 | 81 | 67 | ||
| 72C00657 | 89-108 | Bqm2 | S | lcos | 6.4 | 11.7 | 81.9 | 6.1 | 5.6 | 4.0 | 15.0 | 11.2 | 24.6 | 27.1 | 4 | 17 | 62 | 96 | 88 | ||
| 72C00658 | 108-120 | Bqm3 | S | cosl | 10.1 | 17.1 | 72.8 | 9.1 | 8.0 | 8.2 | 18.2 | 13.0 | 22.9 | 10.5 | 3 | 23 | 52 | 92 | 89 | ||
| 72C00659 | 0-13 | A1 | S | l | 15.5 | 34.2 | 50.3 | 20.2 | 14.0 | 5.3 | 14.1 | 7.4 | 14.4 | 9.1 | 7 | 4 | 1 | 52 | 67 | ||
| 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 | % | ||||||||||
| 4A1d | 4A1h | 4B1c | 4B1c | 3C2a1a | 3D1 | 4C1 | 8D1 | 8D1 | |||||||||
| 72C00651 | 0-13 | A1 | S | 1.43 | 1.50 | 0.015 | 22.7 | 19.6 | 9.1 | 1.090 | 0.14 | 1.30 | 0.69 | ||||
| 72C00652 | 13-28 | A2 | S | 1.41 | 1.49 | 0.018 | 22.9 | 18.8 | 10.1 | 1.090 | 0.12 | 1.03 | 0.56 | ||||
| 72C00653 | 28-43 | Bt11 | S | 1.36 | 1.50 | 0.032 | 21.0 | 17.9 | 11.5 | 1.090 | 0.08 | 0.98 | 0.57 | ||||
| 72C00654 | 43-64 | Bt12 | S | 1.48 | 1.66 | 0.034 | 22.8 | 19.6 | 11.6 | 1.090 | 0.10 | 0.93 | 0.52 | ||||
| 72C00655 | 64-76 | Bt2 | S | 1.13 | 1.43 | 0.041 | 47.4 | 40.7 | 20.1 | 1.090 | 0.12 | 1.01 | 0.57 | ||||
| 72C00656 | 76-89 | Bqm1 | S | 25.5 | 1.090 | 1.91 | 0.96 | ||||||||||
| 72C00657 | 89-108 | Bqm2 | S | 18.5 | 1.090 | 6.22 | 2.89 | ||||||||||
| 72C00658 | 108-120 | Bqm3 | S | 15.5 | 1.090 | 2.64 | 1.53 | ||||||||||
| 72C00659 | 0-13 | A1 | S | 9.8 | 1.090 | 1.15 | 0.63 | ||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1972CA049016 | ( Modoc, California ) | Print Date: Apr 22 2025 10:40PM |
| Sampled As | : | Exel | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 72C0111 | |||
| 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 - - - - -) | |||||||||||||||
| 6B3a | 6A1c | 6C2b | 6G7a | |||||||||||||||||||
| 72C00651 | 0-13 | A1 | S | 0.129 | 1.30 | 10 | 1.1 | 0.1 | ||||||||||||||
| 72C00652 | 13-28 | A2 | S | 0.067 | 0.65 | 10 | 1.1 | 0.1 | ||||||||||||||
| 72C00653 | 28-43 | Bt11 | S | 0.069 | 0.56 | 8 | 1.1 | 0.1 | ||||||||||||||
| 72C00654 | 43-64 | Bt12 | S | 0.053 | 0.47 | 9 | 1.1 | 0.1 | ||||||||||||||
| 72C00655 | 64-76 | Bt2 | S | 0.42 | 1.2 | 0.1 | ||||||||||||||||
| 72C00656 | 76-89 | Bqm1 | S | 0.28 | 1.0 | 0.1 | ||||||||||||||||
| 72C00657 | 89-108 | Bqm2 | S | 0.12 | 1.0 | 0.1 | ||||||||||||||||
| 72C00658 | 108-120 | Bqm3 | S | 1.2 | 0.1 | |||||||||||||||||
| 72C00659 | 0-13 | A1 | S | 1.2 | 0.1 | |||||||||||||||||
| 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 | 6P2b | 6Q2b | 5A3a | 5A8b | 5C3 | 5C1 | ||||||||||
| 72C00651 | 0-13 | A1 | S | 11.2 | 4.5 | 0.4 | 0.9 | 17.0 | 17.0 | 17.1 | 100 | 99 | |||||
| 72C00652 | 13-28 | A2 | S | 12.5* | 5.3 | 0.6 | 0.7 | 19.1 | 19.1 | 18.6 | 100 | 100 | |||||
| 72C00653 | 28-43 | Bt11 | S | 13.5* | 7.7 | 0.6 | 0.6 | 22.4 | 22.4 | 19.6 | 100 | 100 | |||||
| 72C00654 | 43-64 | Bt12 | S | 14.0* | 8.1 | 0.6 | 0.4 | 23.1 | 23.1 | 20.6 | 100 | 100 | |||||
| 72C00655 | 64-76 | Bt2 | S | 23.9* | 13.5 | 1.0 | 0.6 | 39.0 | 39.0 | 35.6 | 100 | 100 | |||||
| 72C00656 | 76-89 | Bqm1 | S | 34.0* | 17.3 | 1.6 | 1.0 | 53.9 | 53.9 | 50.7 | 100 | 100 | |||||
| 72C00657 | 89-108 | Bqm2 | S | 28.7* | 12.6 | 1.7 | 0.5 | 43.5 | 43.5 | 39.8 | 100 | 100 | |||||
| 72C00658 | 108-120 | Bqm3 | S | 18.3* | 8.9 | 1.3 | 0.2 | 28.7 | 28.7 | 26.7 | 100 | 100 | |||||
| 72C00659 | 0-13 | A1 | S | 11.7* | 5.2 | 0.6 | 1.0 | 18.5 | 18.5 | 17.9 | 100 | 100 | |||||
| *** Primary Characterization Data *** |
| Pedon ID: S1972CA049016 | ( Modoc, California ) | Print Date: Apr 22 2025 10:40PM |
| Sampled As | : | Exel | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 72C0111 | |||
| Salt | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -) | 1:2 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 72C00651 | 0-13 | A1 | S | 2 | |||||||||||||||||||
| 72C00652 | 13-28 | A2 | S | 3 | |||||||||||||||||||
| 72C00653 | 28-43 | Bt11 | S | 3 | |||||||||||||||||||
| 72C00654 | 43-64 | Bt12 | S | 3 | |||||||||||||||||||
| 72C00655 | 64-76 | Bt2 | S | 3 | |||||||||||||||||||
| 72C00656 | 76-89 | Bqm1 | S | 3 | |||||||||||||||||||
| 72C00657 | 89-108 | Bqm2 | S | 4 | |||||||||||||||||||
| 72C00658 | 108-120 | Bqm3 | S | 5 | |||||||||||||||||||
| 72C00659 | 0-13 | A1 | S | 3 | |||||||||||||||||||
| 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 | |||
| 4C1a2a | 4C1a2a | |||||||||||||
| 72C00651 | 0-13 | A1 | S | 5.8 | 6.3 | |||||||||
| 72C00652 | 13-28 | A2 | S | 6.0 | 6.4 | |||||||||
| 72C00653 | 28-43 | Bt11 | S | 6.0 | 6.5 | |||||||||
| 72C00654 | 43-64 | Bt12 | S | 6.1 | 6.5 | |||||||||
| 72C00655 | 64-76 | Bt2 | S | 6.0 | 6.5 | |||||||||
| 72C00656 | 76-89 | Bqm1 | S | 6.4 | 6.8 | |||||||||
| 72C00657 | 89-108 | Bqm2 | S | 6.9 | 7.3 | |||||||||
| 72C00658 | 108-120 | Bqm3 | S | 6.5 | 6.9 | |||||||||
| 72C00659 | 0-13 | A1 | S | 5.9 | 6.3 | |||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1972CA049016 | ( Modoc, California ) | Print Date: Apr 22 2025 10:40PM |
| Sampled As | : | Exel | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 72C0111 | |||
| 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 | |||||||
| NK | |||||||||||||||||
| 72C00651 | 0-13 | A1 | S | 6.5 | |||||||||||||
| 72C00652 | 13-28 | A2 | S | 6.5 | |||||||||||||
| 72C00653 | 28-43 | Bt11 | S | 6.8 | |||||||||||||
| 72C00654 | 43-64 | Bt12 | S | 7.3 | |||||||||||||
| 72C00655 | 64-76 | Bt2 | S | 6.9 | |||||||||||||
| 72C00656 | 76-89 | Bqm1 | S | 6.3 | |||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1972CA049016 | ( Modoc, California ) | Print Date: Apr 22 2025 10:40PM |
| Sampled As | : | Exel | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 72C0111 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A2i | tion | ||||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 72C00651 | 0.0-13.0 | A1 | tcly | NX 6 | |||||||||||||||||
| 72C00653 | 28.0-43.0 | Bt11 | tcly | NX 6 | |||||||||||||||||
| 72C00657 | 89.0-108.0 | Bqm2 | tcly | NX 6 | |||||||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| NX Non-Crystalline | ||||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |