| *** Primary Characterization Data *** |
| Pedon ID: 74CA041009 | ( Marin, California ) | Print Date: Dec 4 2024 3:02AM |
| Sampled as on May 30, 1974: | Unnamed |
| Revised to correlated: | DIPSEA ; Loamy-skeletal, mixed Mollic Hapludalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL74CA002 MARIN CO | Natural Resources Conservation Service |
| - | Site ID | S1974CA041009 Lat: 38° 56' 26.00" north Long: 122° 39' 2.01" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 74C0020 | 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 |
| 74C00134 | A | A1 | 0-8 | 74134 | L | |||
| 74C00135 | B1 | B1 | 8-20 | 74135 | L | |||
| 74C00136 | B2 | B21 | 20-38 | 74136 | L | |||
| 74C00137 | Bt1 | B22t | 38-56 | 74137 | L | |||
| 74C00138 | Bt2 | B3t | 56-74 | 74138 | L | |||
| 74C00139 | C1 | C1 | 74-99 | 74139 | L | |||
| 74C00140 | C2 | C2 | 99-140 | 74140 | L | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.89 | (NA) | |
| Clay, carbonate free, Weighted Average | 20 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 59 | % wt | |
| Volume, >2mm, Weighted Average | 32 | % vol | |
| Clay, total, Weighted Average | 20 | % 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 | 3B1 | 3B1 | 3B1 | ||||||||
| 74C00134 | 0-8 | A | S | l | 17.6 | 41.8 | 40.6 | 28.3 | 13.5 | 5.9 | 7.1 | 4.2 | 9.8 | 13.6 | 7 | 13 | 52 | 82 | 72 | ||
| 74C00135 | 8-20 | B1 | S | l | 20.8 | 39.2 | 40.0 | 27.1 | 12.1 | 6.2 | 7.0 | 4.4 | 9.7 | 12.7 | 13 | 4 | 24 | 61 | 46 | ||
| 74C00136 | 20-38 | B2 | S | l | 20.7 | 38.8 | 40.5 | 26.5 | 12.3 | 6.2 | 7.4 | 4.4 | 10.0 | 12.5 | 12 | 2 | 13 | 52 | 40 | ||
| 74C00137 | 38-56 | Bt1 | S | l | 19.0 | 39.3 | 41.7 | 26.3 | 13.0 | 7.1 | 7.3 | 4.9 | 10.4 | 12.0 | 11 | 2 | 22 | 57 | 45 | ||
| 74C00138 | 56-74 | Bt2 | S | l | 19.6 | 37.7 | 42.7 | 24.3 | 13.4 | 7.5 | 8.5 | 5.2 | 9.8 | 11.7 | 7 | 9 | 41 | 72 | 63 | ||
| 74C00139 | 74-99 | C1 | S | l | 17.7 | 31.7 | 50.6 | 18.2 | 13.5 | 9.2 | 9.9 | 5.1 | 10.1 | 16.3 | 4 | 17 | 65 | 92 | 88 | ||
| 74C00140 | 99-140 | C2 | S | l | 18.6 | 34.0 | 47.4 | 19.9 | 14.1 | 9.9 | 8.4 | 3.7 | 7.7 | 17.7 | 9 | 24 | 41 | 84 | 77 | ||
| *** Primary Characterization Data *** |
| Pedon ID: 74CA041009 | ( Marin, California ) | Print Date: Dec 4 2024 3:02AM |
| Sampled As | : | Unnamed | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 74C0020 | |||
| 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 | |||||||||
| 74C00134 | 0-8 | A | S | 0.89 | 1.02 | 0.024 | 36.1 | 34.6 | 16.6 | 1.031 | 0.09 | 2.02 | 0.94 | ||||
| 74C00135 | 8-20 | B1 | S | 12.8 | 1.031 | 1.27 | 0.62 | ||||||||||
| 74C00136 | 20-38 | B2 | S | 12.0 | 1.031 | 1.05 | 0.58 | ||||||||||
| 74C00137 | 38-56 | Bt1 | S | 1.33 | 1.38 | 0.009 | 29.0 | 26.8 | 10.5 | 1.031 | 0.15 | 0.85 | 0.55 | ||||
| 74C00138 | 56-74 | Bt2 | S | 10.7 | 1.031 | 0.73 | 0.55 | ||||||||||
| 74C00139 | 74-99 | C1 | S | 9.2 | 1.031 | 0.75 | 0.52 | ||||||||||
| 74C00140 | 99-140 | C2 | S | 9.5 | 1.012 | 0.66 | 0.51 | ||||||||||
| 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 | |||||||||||||||||||||
| 74C00134 | 0-8 | A | S | 0.301 | 6.74 | 22 | ||||||||||||||||
| 74C00135 | 8-20 | B1 | S | 0.176 | 3.21 | 18 | ||||||||||||||||
| 74C00136 | 20-38 | B2 | S | 0.111 | 1.75 | 16 | ||||||||||||||||
| 74C00137 | 38-56 | Bt1 | S | 0.068 | 0.93 | 14 | ||||||||||||||||
| 74C00138 | 56-74 | Bt2 | S | 0.047 | 0.45 | 10 | ||||||||||||||||
| 74C00139 | 74-99 | C1 | S | 0.30 | ||||||||||||||||||
| 74C00140 | 99-140 | C2 | S | 0.21 | ||||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 74CA041009 | ( Marin, California ) | Print Date: Dec 4 2024 3:02AM |
| Sampled As | : | Unnamed | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 74C0020 | |||
| 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 | 6H5a | 5A3a | 5A8b | 5C3 | 5C1 | |||||||||
| 74C00134 | 0-8 | A | S | 24.6 | 1.1 | 0.3 | 0.9 | 26.9 | 18.3 | 45.2 | 35.6 | 60 | 76 | ||||
| 74C00135 | 8-20 | B1 | S | 15.0 | 3.7 | 0.2 | 0.9 | 19.8 | 12.6 | 32.4 | 26.4 | 61 | 75 | ||||
| 74C00136 | 20-38 | B2 | S | 7.2 | 3.8 | 0.2 | 0.9 | 12.1 | 12.6 | 24.7 | 21.8 | 49 | 56 | ||||
| 74C00137 | 38-56 | Bt1 | S | 3.4 | 3.8 | 0.3 | 1.0 | 8.5 | 11.8 | 20.3 | 16.2 | 42 | 52 | ||||
| 74C00138 | 56-74 | Bt2 | S | 2.4 | 3.6 | 0.2 | 1.2 | 7.4 | 10.5 | 17.9 | 14.4 | 41 | 51 | ||||
| 74C00139 | 74-99 | C1 | S | 3.7 | 3.0 | 0.2 | 0.8 | 7.7 | 6.1 | 13.8 | 13.2 | 56 | 58 | ||||
| 74C00140 | 99-140 | C2 | S | 3.8 | 2.9 | 0.2 | 0.6 | 7.5 | 6.7 | 14.2 | 12.3 | 53 | 61 | ||||
| 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 - -) | % | |||||||||||||||
| 74C00134 | 0-8 | A | S | 1 | |||||||||||||||||||
| 74C00135 | 8-20 | B1 | S | 1 | |||||||||||||||||||
| 74C00136 | 20-38 | B2 | S | 1 | |||||||||||||||||||
| 74C00137 | 38-56 | Bt1 | S | 2 | |||||||||||||||||||
| 74C00138 | 56-74 | Bt2 | S | 1 | |||||||||||||||||||
| 74C00139 | 74-99 | C1 | S | 2 | |||||||||||||||||||
| 74C00140 | 99-140 | C2 | S | 2 | |||||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 74CA041009 | ( Marin, California ) | Print Date: Dec 4 2024 3:02AM |
| Sampled As | : | Unnamed | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 74C0020 | |||
| 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 | |||||||||||||
| 74C00134 | 0-8 | A | S | 5.5 | 5.9 | |||||||||
| 74C00135 | 8-20 | B1 | S | 5.6 | 6.4 | |||||||||
| 74C00136 | 20-38 | B2 | S | 5.2 | 5.8 | |||||||||
| 74C00137 | 38-56 | Bt1 | S | 5.9 | 5.7 | |||||||||
| 74C00138 | 56-74 | Bt2 | S | 4.7 | 5.6 | |||||||||
| 74C00139 | 74-99 | C1 | S | 4.9 | 5.6 | |||||||||
| 74C00140 | 99-140 | C2 | S | 5.2 | 5.7 | |||||||||