| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029010 | ( Delta, Colorado ) | Print Date: Feb 16 2026 11:36AM |
| Sampled as on Jun 2, 2013: | unnamed ; Fine, mixed, active, mesic Ustic Haplocambids |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2013USCO110 Selenium - Mancos Shale Part II | Natural Resources Conservation Service |
| - | Site ID | S2013CO029010 Lat: 38° 37' 21.07" north Long: 107° 53' 19.25" west MLRA: 34B | National Soil Survey Center | |
| - | Pedon No. | 13N96757 | 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 |
| 13N09777 | A | A | 0-5 | S2013CO029010-1 | SICL | SIC | ||
| 13N09778 | Bz | Bz | 5-15 | S2013CO029010-2 | SICL | SIC | ||
| 13N09779 | BCz | BCz | 15-48 | S2013CO029010-3 | SICL | SIC | ||
| 13N09780 | C | C | 48-61 | S2013CO029010-4 | PGRV-SICL | SIC | ||
| 13N09781 | Cr | Cr | 61-76 | S2013CO029010-5 | SIC | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, total, Weighted Average | 52 | % wt | |
| Clay, carbonate free, Weighted Average | 52 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.33 | (NA) | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 21 | % wt | |
| Weighted averages based on control section: 25-61 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 | |||||||||||||
| 13N09777 | 0-5 | A | S | sic | 49.6 | 44.9 | 5.5 | -- | 33.2 | 11.7 | 4.9 | 0.5 | 0.1 | tr | tr | 1 | 2 | 1 | 5 | 4 | |
| 13N09778 | 5-15 | Bz | S | sic | 51.3 | 43.1 | 5.6 | 18.1 | -- | 32.8 | 10.3 | 4.3 | 0.9 | 0.2 | 0.1 | 0.1 | 1 | 1 | -- | 3 | 2 |
| 13N09779 | 15-48 | BCz | S | sic | 52.3 | 43.1 | 4.6 | 11.9 | -- | 33.5 | 9.6 | 4.1 | 0.5 | tr | tr | tr | 1 | tr | -- | 1 | 1 |
| 13N09780 | 48-61 | C | S | sic | 51.9 | 45.1 | 3.0 | 14.3 | 1.0 | 36.5 | 8.6 | 2.7 | 0.3 | tr | tr | -- | 29 | 23 | 4 | 56 | 56 |
| 13N09781 | 61-76 | Cr | S | sic | 49.3 | 45.9 | 4.8 | 1.4 | 35.6 | 10.3 | 3.6 | 0.5 | 0.5 | 0.1 | 0.1 | 1 | tr | -- | 2 | 1 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029010 | ( Delta, Colorado ) | Print Date: Feb 16 2026 11:36AM |
| Sampled As | : | unnamed | Fine, mixed, active, mesic Ustic Haplocambids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96757 | |||
| 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 | |||||||||||||||
| 13N09777 | 0-5 | A | S | 11.0 | 1.039 | 1.031 | 0.32 | 0.22 | |||||||||
| 13N09778 | 5-15 | Bz | S | 12.9 | 1.043 | 1.031 | 0.31 | 0.25 | |||||||||
| 13N09779 | 15-48 | BCz | S | 13.1 | 1.043 | 1.035 | 0.31 | 0.25 | |||||||||
| 13N09780 | 48-61 | C | S | 13.5 | 1.039 | 1.035 | 0.35 | 0.26 | |||||||||
| 13N09781 | 61-76 | Cr | S | 14.4 | 1.038 | 1.035 | 0.36 | 0.29 | |||||||||
| 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 | ||||||||||||||||||||
| 13N09777 | 0-5 | A | S | 0.46 | 0.11 | 0.87 | 0.3 | 3 | ||||||||||||||
| 13N09778 | 5-15 | Bz | S | 0.36 | 0.08 | 1.69 | 0.2 | 3 | ||||||||||||||
| 13N09779 | 15-48 | BCz | S | 0.41 | 0.19 | 1.26 | 0.3 | 1 | ||||||||||||||
| 13N09780 | 48-61 | C | S | 0.45 | 0.10 | 0.91 | 0.2 | 2 | ||||||||||||||
| 13N09781 | 61-76 | Cr | S | 0.56 | 0.14 | 1.31 | 0.2 | 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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B2b1a1 | 4B1a1a | ||||||||||||
| 13N09777 | 0-5 | A | S | 140.5* | 36.0 | 13.8 | 0.3 | 190.6 | -- | 16.1 | 100 | ||||||
| 13N09778 | 5-15 | Bz | S | 95.3* | 14.5 | 17.9 | 1.0 | 128.7 | 0.2 | 15.9 | 100 | ||||||
| 13N09779 | 15-48 | BCz | S | 80.0* | 22.2 | 21.1 | 0.8 | 124.1 | 0.5 | 16.2 | 100 | ||||||
| 13N09780 | 48-61 | C | S | 38.6* | 29.1 | 24.6 | 0.7 | 93.0 | 0.2 | 18.4 | 100 | ||||||
| 13N09781 | 61-76 | Cr | S | 43.8* | 30.8 | 24.7 | 0.6 | 99.9 | 0.4 | 17.9 | 100 | ||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029010 | ( Delta, Colorado ) | Print Date: Feb 16 2026 11:36AM |
| Sampled As | : | unnamed | Fine, mixed, active, mesic Ustic Haplocambids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96757 | |||
| 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 | |||||||
| 13N09777 | 0-5 | A | S | 32.8 | 8.3 | 14.5 | 0.9 | -- | 2.2 | -- | 1.6 | -- | -- | -- | 39.1 | -- | 9.7 | 47.3 | 0.1 | 4.19 | 2.81 | 81 | 3 |
| 13N09778 | 5-15 | Bz | S | 20.3 | 35.4 | 156.2 | 1.2 | -- | 1.0 | -- | 0.1 | -- | -- | -- | 192.7 | -- | 14.8 | 66.2 | 0.7 | 13.41 | 7.36 | 47 | 30 |
| 13N09779 | 15-48 | BCz | S | 19.5 | 82.5 | 189.4 | 1.2 | -- | 0.9 | -- | -- | -- | -- | -- | 286.6 | -- | 11.8 | 68.9 | 0.9 | 16.73 | 8.49 | 50 | 27 |
| 13N09780 | 48-61 | C | S | 19.4 | 114.0 | 183.6 | 1.2 | -- | 0.6 | -- | -- | -- | -- | -- | 314.6 | -- | 6.6 | 81.3 | 1.1 | 16.96 | 9.31 | 53 | 22 |
| 13N09781 | 61-76 | Cr | S | 19.3 | 159.0 | 174.9 | 1.1 | -- | 0.5 | -- | 2.1 | 0.8 | -- | -- | 338.3 | 0.1 | 9.6 | 81.2 | 1.2 | 17.70 | 9.53 | 59 | 19 |
| 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 | ||||||||||
| 13N09777 | 0-5 | A | S | 7.9 | 7.9 | 7.9 | 1 | 4 | ||||||
| 13N09778 | 5-15 | Bz | S | 8.2 | 8.2 | 8.3 | 1 | 6 | ||||||
| 13N09779 | 15-48 | BCz | S | 8.1 | 8.1 | 8.2 | 1 | 4 | ||||||
| 13N09780 | 48-61 | C | S | 8.1 | 8.1 | 8.2 | 2 | 2 | ||||||
| 13N09781 | 61-76 | Cr | S | 8.1 | 8.1 | 8.1 | 3 | 1 | ||||||
| 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 | |||||
| 13N09777 | 0-5 | A | HM | 0.13 | 10.24 | 279.48 | 1.78 | 1.17 | 6.81 | 53.39 | 27.70 | 157.83 | 4.67 | 33 | |
| 13N09778 | 5-15 | Bz | HM | 0.12 | 9.31 | 244.40 | 1.76 | 1.11 | 6.75 | 51.93 | 25.85 | 157.64 | 4.94 | 21 | |
| 13N09779 | 15-48 | BCz | HM | 0.12 | 9.63 | 218.08 | 1.67 | 0.94 | 6.66 | 51.53 | 26.71 | 144.12 | 5.18 | 42 | |
| 13N09780 | 48-61 | C | HM | 0.14 | 10.78 | 219.36 | 1.83 | 1.09 | 6.52 | 55.95 | 27.96 | 131.10 | 4.71 | 39 | |
| 13N09781 | 61-76 | Cr | HM | 0.14 | 11.15 | 229.04 | 1.81 | 1.26 | 8.11 | 52.40 | 29.03 | 251.21 | 4.74 | 51 | |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029010 | ( Delta, Colorado ) | Print Date: Feb 16 2026 11:36AM |
| Sampled As | : | unnamed | Fine, mixed, active, mesic Ustic Haplocambids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96757 | |||
| 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 | |||||
| 13N09777 | 0-5 | A | HM | 25.05 | 669.74 | 23.75 | 0.91 | 1672.80 | 1.72 | 126.49 | 104.81 | -- | 119.71 | |
| 13N09778 | 5-15 | Bz | HM | 24.70 | 638.14 | 22.51 | 0.92 | 1824.13 | 1.60 | 216.19 | 102.03 | -- | 110.72 | |
| 13N09779 | 15-48 | BCz | HM | 24.44 | 648.40 | 22.79 | 0.95 | 2290.23 | 1.57 | 174.30 | 102.90 | 0.01 | 113.85 | |
| 13N09780 | 48-61 | C | HM | 24.51 | 644.60 | 24.18 | 1.02 | 2823.07 | 1.73 | 102.23 | 114.27 | 0.01 | 117.43 | |
| 13N09781 | 61-76 | Cr | HM | 31.51 | 681.08 | 23.70 | 1.12 | 3578.13 | 1.63 | 115.49 | 112.53 | tr | 129.39 | |
| 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 | ||||
| 13N09777 | 0-5 | A | HM | 73993 | 17779 | 27109 | 21446 | 14102 | 197 | 4719 | 883 | 241920 | 143 | 3534 | 119 |
| 13N09778 | 5-15 | Bz | HM | 66562 | 21049 | 27738 | 19547 | 13595 | 194 | 8130 | 754 | 279369 | 212 | 3516 | 113 |
| 13N09779 | 15-48 | BCz | HM | 74263 | 17787 | 25894 | 20777 | 15093 | 177 | 8705 | 804 | 266018 | 179 | 3452 | 116 |
| 13N09780 | 48-61 | C | HM | 83636 | 13122 | 28304 | 23594 | 16078 | 168 | 9369 | 862 | 287545 | 123 | 3737 | 123 |
| 13N09781 | 61-76 | Cr | HM | 80252 | 11907 | 37814 | 22705 | 16946 | 312 | 9096 | 844 | 269569 | 130 | 3559 | 121 |
| *** Primary Characterization Data *** |
| Pedon ID: S2013CO029010 | ( Delta, Colorado ) | Print Date: Feb 16 2026 11:36AM |
| Sampled As | : | unnamed | Fine, mixed, active, mesic Ustic Haplocambids | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 13N96757 | |||
| 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 | ||||||||||||||
| 13N09778 | 5.0-15.0 | Bz | tcly | KK 3 | MI 2 | QZ 2 | MT 1 | CL 1 | KK 34 | CMIX | |||||||||||
| VR 1 | |||||||||||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| CL Chlorite | KK Kaolinite | MI Mica | MT Montmorillonite | 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 | ||||