Devils Tower National Monument

Location:Wyoming, United States
IUCN Category:V
Area:1,361 acres (551 hectares)
Species:All  Endangered  Invasive
Website:View website
Map:View Google Map
Climate:View Climate Data
Land Use:View Land Use Data

Ecoregions

South Central Rockies forests

Soils

Link to Map
Protected Area Boundary
 A
  
Share50 %30 %10 %10 %
Soil TypeAlbic LuvisolsHaplic KastanozemsEutric RegosolsLithosols
Topsoil TextureMediumMediumMediumMedium
Reference Depth100 cm100 cm100 cm10 cm
DrainageModerately wellModerately wellModerately wellImperfectly
Available Water Capacity150 m150 m150 m15 mm
Topsoil Properties
Gravel10 %8 %27 %26 %
Sand37 %34 %47 %43 %
Silt44 %45 %34 %34 %
Clay19 %21 %19 %23 %
USDA TextureLoamLoamLoamLoam
Reference Bulk Density1.41 g/cm³1.39 g/cm³1.43 g/cm³1.39 g/cm³
Bulk Density1.42 g/cm³1.29 g/cm³1.21 g/cm³1.3 g/cm³
Organic Carbon0.82 %1.28 %0.97 %1.4 %
PH67.46.47.6
Clay Cation Exchange Capacity53 cmol kg⁻¹81 cmol kg⁻¹41 cmol kg⁻¹42 cmol kg⁻¹
Soil Cation Exchange Capacity14 cmol kg⁻¹21 cmol kg⁻¹12 cmol kg⁻¹15 cmol kg⁻¹
Base Saturation83 %100 %79 %100 %
Total Exchangeable Bases16.3 cmol kg⁻¹18.4 cmol kg⁻¹15.1 cmol kg⁻¹15.6 cmol kg⁻¹
Calcium Carbonate0 %5.4 %0 %3.9 %
Calcium Sulphate0 %0 %0 %0 %
Exchangeable Sodium1 %1 %1 %4 %
Electrical Conductivity0.1 dS m-11.6 dS m-10.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel19 %5 %28 % 
Sand33 %36 %50 % 
Silt35 %43 %32 % 
Clay32 %21 %18 % 
USDA TextureClay loamLoamLoam 
Reference Bulk Density1.32 g/cm³1.39 g/cm³1.44 g/cm³ 
Bulk Density1.58 g/cm³1.42 g/cm³1.46 g/cm³ 
Organic Carbon0.39 %0.51 %0.4 % 
PH6.37.96.9 
Clay Cation Exchange Capacity56 cmol kg⁻¹97 cmol kg⁻¹55 cmol kg⁻¹ 
Soil Cation Exchange Capacity21 cmol kg⁻¹19 cmol kg⁻¹11 cmol kg⁻¹ 
Base Saturation89 %100 %85 % 
Total Exchangeable Bases18.1 cmol kg⁻¹19.1 cmol kg⁻¹10.3 cmol kg⁻¹ 
Calcium Carbonate0 %10.4 %0.1 % 
Calcium Sulphate0 %0 %0 % 
Exchangeable Sodium1 %3 %2 % 
Electrical Conductivity0.1 dS m-12.2 dS m-10.1 dS m-1 
Soil data provided by FAO/IIASA/ISRIC/ISSCAS/JRC, 2012. Harmonized World Soil Database (version 1.2). FAO, Rome, Italy and IIASA, Laxenburg, Austria.