| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029028 | ( Delta, Colorado ) | Print Date: Feb 16 2026 12:11PM |
| Sampled as on Jul 9, 2013: | Unnamed ; Fine, mixed, active, mesic Typic Haplargids |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2013USCO110 Selenium - Mancos Shale Part II | Natural Resources Conservation Service |
| - | Site ID | S2013CO029028 Lat: 38° 37' 21.07" north Long: 107° 53' 19.25" west MLRA: 34B | National Soil Survey Center | |
| - | Pedon No. | 13N97177 | Kellogg 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 |
| 13N11980 | Ap | Ap | 0-13 | S2013CO029028-1 | L | SICL | ||
| 13N11981 | Bt | Bt | 13-30 | S2013CO029028-2 | CL | SICL | ||
| 13N11982 | Btz1 | Btz1 | 30-51 | S2013CO029028-3 | SIC | SIC | ||
| 13N11983 | Btz2 | Btz2 | 51-89 | S2013CO029028-4 | SICL | SICL | ||
| 13N11984 | Btz3 | Btz3 | 89-122 | S2013CO029028-5 | L | SIL | ||
| 13N11985 | BCz | BCz | 122-152 | S2013CO029028-6 | L | CL | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 12 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Clay, total, Weighted Average | 38 | % wt | |
| Clay, carbonate free, Weighted Average | 33 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.42 | (NA) | |
| Weighted averages based on control section: 13-63 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 | ||||||||||||||
| 13N11980 | 0-13 | Ap | S | sicl | 38.1 | 50.3 | 11.6 | 2.3 | 32.7 | 17.6 | 6.2 | 1.8 | 1.2 | 1.2 | 1.2 | 2 | 3 | -- | 10 | 5 | |
| 13N11981 | 13-30 | Bt | S | sicl | 39.3 | 50.8 | 9.9 | 6.3 | 34.1 | 16.7 | 5.7 | 1.6 | 1.4 | 0.5 | 0.7 | 7 | 5 | -- | 16 | 12 | |
| 13N11982 | 30-51 | Btz1 | S | sic | 41.9 | 49.3 | 8.8 | 5.6 | 37.7 | 11.6 | 4.1 | 2.0 | 0.4 | 1.0 | 1.3 | 7 | 1 | -- | 12 | 8 | |
| 13N11983 | 51-89 | Btz2 | S | sicl | 29.4 | 56.4 | 14.2 | 3.8 | 34.0 | 22.4 | 9.8 | 3.0 | 0.7 | 0.4 | 0.3 | 3 | 1 | -- | 8 | 4 | |
| 13N11984 | 89-122 | Btz3 | S | sil | 22.7 | 54.6 | 22.7 | 3.6 | 26.7 | 27.9 | 18.4 | 2.8 | 1.2 | 0.3 | tr | 2 | 1 | -- | 7 | 3 | |
| 13N11985 | 122-152 | BCz | S | cl | 35.8 | 40.8 | 23.4 | 11.6 | 22.9 | 17.9 | 14.9 | 5.1 | 2.3 | 0.9 | 0.2 | 3 | 3 | -- | 14 | 6 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029028 | ( Delta, Colorado ) | Print Date: Feb 16 2026 12:11PM |
| Sampled As | : | Unnamed | Fine, mixed, active, mesic Typic Haplargids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N97177 | |||
| 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 | % | ||||||||||
| 3C2a1a | 3D1 | 4E2a1a1a1 | |||||||||||||||
| 13N11980 | 0-13 | Ap | S | 15.4 | 1.037 | 1.037 | 0.56 | 0.40 | |||||||||
| 13N11981 | 13-30 | Bt | S | 13.4 | 1.031 | 0.41 | 0.34 | ||||||||||
| 13N11982 | 30-51 | Btz1 | S | 13.9 | 1.034 | 1.034 | 0.41 | 0.33 | |||||||||
| 13N11983 | 51-89 | Btz2 | S | 8.7 | 1.045 | 1.020 | 0.43 | 0.30 | |||||||||
| 13N11984 | 89-122 | Btz3 | S | 8.8 | 1.042 | 1.030 | 0.67 | 0.39 | |||||||||
| 13N11985 | 122-152 | BCz | S | 12.5 | 1.049 | 1.037 | 0.47 | 0.35 | |||||||||
| 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 - - - - -) | |||||||||||||||
| 4H2a | 4H2a | 4H2a | ||||||||||||||||||||
| 13N11980 | 0-13 | Ap | S | 5.66 | 0.40 | 0.18 | 4.0 | 10 | ||||||||||||||
| 13N11981 | 13-30 | Bt | S | 3.27 | 0.13 | 0.05 | 1.4 | 10 | ||||||||||||||
| 13N11982 | 30-51 | Btz1 | S | 2.46 | 0.07 | 0.06 | 0.6 | 9 | ||||||||||||||
| 13N11983 | 51-89 | Btz2 | S | 1.57 | 0.01 | 2.26 | 0.2 | 15 | ||||||||||||||
| 13N11984 | 89-122 | Btz3 | S | 1.32 | 0.01 | 1.27 | 0.1 | 12 | ||||||||||||||
| 13N11985 | 122-152 | BCz | S | 2.26 | 0.03 | 0.99 | 0.1 | 4 | ||||||||||||||
| 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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | |||||||||||||
| 13N11980 | 0-13 | Ap | S | 58.3* | 6.0 | -- | 1.7 | 66.0 | 21.2 | 100 | |||||||
| 13N11981 | 13-30 | Bt | S | 54.7* | 4.8 | -- | 0.7 | 60.2 | 16.3 | 100 | |||||||
| 13N11982 | 30-51 | Btz1 | S | 61.7* | 4.4 | -- | 0.5 | 66.6 | 17.2 | 100 | |||||||
| 13N11983 | 51-89 | Btz2 | S | 198.7* | 1.3 | -- | 0.4 | 200.4 | 12.7 | 100 | |||||||
| 13N11984 | 89-122 | Btz3 | S | 142.5* | 1.6 | -- | 0.3 | 144.4 | 15.1 | 100 | |||||||
| 13N11985 | 122-152 | BCz | S | 128.2* | 2.2 | -- | 0.4 | 130.8 | 16.8 | 100 | |||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029028 | ( Delta, Colorado ) | Print Date: Feb 16 2026 12:11PM |
| Sampled As | : | Unnamed | Fine, mixed, active, mesic Typic Haplargids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N97177 | |||
| 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 - -) | % | |||||||||||||||
| 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F1a1a1 | |||||||
| 13N11980 | 0-13 | Ap | S | 12.4 | 4.2 | 0.1 | 1.0 | -- | 8.7 | 0.1 | 0.5 | -- | -- | -- | 6.5 | 0.3 | -- | 75.0 | 0.1 | 1.43 | 0.58 | -- | -- |
| 13N11981 | 13-30 | Bt | S | 5.5 | 1.8 | -- | 0.1 | -- | 4.9 | -- | 0.1 | -- | -- | -- | 1.2 | 0.1 | -- | 55.6 | tr | 0.65 | 0.27 | tr | -- |
| 13N11982 | 30-51 | Btz1 | S | 8.4 | 2.0 | 0.1 | -- | -- | 3.3 | -- | 0.1 | -- | -- | -- | 6.2 | 0.1 | -- | 54.2 | tr | 0.91 | 0.36 | -- | -- |
| 13N11983 | 51-89 | Btz2 | S | 30.9 | 1.2 | 0.1 | -- | -- | 1.5 | -- | -- | -- | -- | -- | 30.4 | 0.1 | -- | 49.8 | 0.1 | 2.30 | 2.10 | -- | -- |
| 13N11984 | 89-122 | Btz3 | S | 30.4 | 1.4 | tr | -- | -- | 1.1 | -- | -- | -- | -- | -- | 30.2 | 0.2 | 0.1 | 44.2 | 0.1 | 2.28 | 1.69 | -- | -- |
| 13N11985 | 122-152 | BCz | S | 30.5 | 1.5 | 0.2 | -- | -- | 1.0 | -- | -- | -- | -- | -- | 30.4 | 0.2 | -- | 55.4 | 0.1 | 2.29 | 2.09 | -- | -- |
| 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 | 4F2 | 4E1a1a1a1 | 4E2a1a1a1 | ||||||||||
| 13N11980 | 0-13 | Ap | S | 7.5 | 7.8 | 7.4 | 14 | -- | ||||||
| 13N11981 | 13-30 | Bt | S | 7.6 | 7.9 | 7.5 | 16 | |||||||
| 13N11982 | 30-51 | Btz1 | S | 7.7 | 8.0 | 7.6 | 16 | -- | ||||||
| 13N11983 | 51-89 | Btz2 | S | 7.6 | 7.8 | 7.5 | 11 | 12 | ||||||
| 13N11984 | 89-122 | Btz3 | S | 7.6 | 7.7 | 7.5 | 10 | 6 | ||||||
| 13N11985 | 122-152 | BCz | S | 7.7 | 7.8 | 7.6 | 18 | 6 | ||||||
| Trace Elements Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| Depth | Ag | As | Ba | Be | Cd | Co | Cr | Cu | Mn | Mo | Hg | ||||
| Layer | (cm) | Horz | Prep | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | ug/kg | |
| 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | |||||
| 13N11980 | 0-13 | Ap | HM | 0.09 | 12.52 | 649.87 | 1.33 | 1.85 | 7.36 | 45.47 | 23.25 | 277.62 | 6.59 | 15 | |
| 13N11981 | 13-30 | Bt | HM | 0.09 | 13.79 | 686.11 | 1.38 | 2.14 | 8.20 | 47.15 | 24.27 | 262.98 | 7.29 | 12 | |
| 13N11982 | 30-51 | Btz1 | HM | 0.09 | 13.94 | 541.59 | 1.50 | 2.01 | 8.14 | 53.09 | 24.71 | 213.79 | 7.29 | 24 | |
| 13N11983 | 51-89 | Btz2 | HM | 0.07 | 9.36 | 301.28 | 1.09 | 1.28 | 6.88 | 38.06 | 17.38 | 251.27 | 5.49 | 13 | |
| 13N11984 | 89-122 | Btz3 | HM | 0.08 | 7.72 | 289.84 | 1.05 | 0.77 | 7.07 | 29.06 | 14.78 | 313.08 | 3.82 | 9 | |
| 13N11985 | 122-152 | BCz | HM | 0.08 | 9.53 | 361.76 | 1.06 | 0.54 | 8.24 | 33.07 | 16.80 | 283.05 | 3.98 | 1 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029028 | ( Delta, Colorado ) | Print Date: Feb 16 2026 12:11PM |
| Sampled As | : | Unnamed | Fine, mixed, active, mesic Typic Haplargids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N97177 | |||
| Trace Elements Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| Depth | Ni | P | Pb | Sb | Se | Sn | Sr | Tl | V | W | Zn | |||
| Layer | (cm) | Horz | Prep | mg/kg | mg/kg | mg/kg | mg/kg | ug/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg |
| 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | 4H1a | |||||
| 13N11980 | 0-13 | Ap | HM | 27.45 | 909.53 | 25.78 | 1.94 | 2074.38 | 1.95 | 194.64 | 153.26 | -- | 102.28 | |
| 13N11981 | 13-30 | Bt | HM | 29.99 | 677.17 | 26.30 | 2.04 | 2335.86 | 1.75 | 203.38 | 168.71 | tr | 104.44 | |
| 13N11982 | 30-51 | Btz1 | HM | 31.51 | 568.97 | 24.67 | 2.31 | 1993.93 | 1.53 | 234.69 | 186.31 | 0.02 | 108.01 | |
| 13N11983 | 51-89 | Btz2 | HM | 22.53 | 546.46 | 18.05 | 1.42 | 1424.24 | 1.13 | 234.43 | 124.57 | 0.02 | 75.71 | |
| 13N11984 | 89-122 | Btz3 | HM | 19.09 | 436.47 | 15.61 | 0.84 | 848.39 | 1.01 | 165.74 | 87.09 | tr | 62.34 | |
| 13N11985 | 122-152 | BCz | HM | 25.18 | 363.10 | 14.58 | 0.89 | 842.73 | 1.00 | 217.55 | 91.14 | 0.01 | 61.99 | |
| Major Elements | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | |||
| Depth | Al | Ca | Fe | K | Mg | Mn | Na | P | Si | Sr | Ti | Zr | |||
| Layer | (cm) | Horz | Prep | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg | mg/kg |
| 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | 4H1b | ||||
| 13N11980 | 0-13 | Ap | HM | 54992 | 54897 | 25733 | 18508 | 13719 | 361 | 4352 | 1136 | 235595 | 244 | 3127 | 110 |
| 13N11981 | 13-30 | Bt | HM | 59688 | 60729 | 27436 | 19171 | 14688 | 349 | 4512 | 897 | 248680 | 262 | 3323 | 120 |
| 13N11982 | 30-51 | Btz1 | HM | 64132 | 63359 | 28926 | 18846 | 12915 | 286 | 4026 | 812 | 250102 | 301 | 3464 | 108 |
| 13N11983 | 51-89 | Btz2 | HM | 52977 | 74402 | 24049 | 15357 | 11121 | 324 | 5413 | 606 | 234139 | 322 | 3074 | 111 |
| 13N11984 | 89-122 | Btz3 | HM | 54050 | 59432 | 25105 | 16970 | 10606 | 432 | 7621 | 598 | 263557 | 299 | 3425 | 125 |
| 13N11985 | 122-152 | BCz | HM | 48932 | 82590 | 23471 | 13729 | 11385 | 347 | 5430 | 443 | 195203 | 310 | 2907 | 106 |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029028 | ( Delta, Colorado ) | Print Date: Feb 16 2026 12:11PM |
| Sampled As | : | Unnamed | Fine, mixed, active, mesic Typic Haplargids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N97177 | |||
| 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 | 7A1b1 | 7A2a | tion | |||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 13N11981 | 13.0-30.0 | Bt | tcly | KK 3 | MI 3 | VR 2 | QZ 2 | CA 1 | KK 34 | CA 3 | CMIX | ||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| CA Calcite | KK Kaolinite | MI Mica | QZ Quartz | VR Vermiculite |
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |
| INTERPRETATION (BY HORIZON): | ||||
| CMIX - Mixed Clay | ||||