Little Bighorn Battlefield National Monument

Location:Montana, United States
IUCN Category:V
Area:755 acres (305 hectares)
Species:All  Endangered  Invasive
Website:View website
Climate:View Climate Data
Land Use:View Land Use Data
Köppen climate classification:BSk (Climate: arid; Precipitation: steppe; Temperature: cold arid)

Ecoregions

Montana Valley and Foothill grasslands

Soils

Link to Map
Protected Area Boundary
 A
  
Soil TypeLuvic Chernozems
Topsoil TextureMedium
Reference Depth100 cm
DrainageModerately well
Available Water Capacity150 m
Topsoil Properties
Gravel4 %
Sand33 %
Silt41 %
Clay26 %
USDA TextureLoam
Reference Bulk Density1.36 g/cm³
Bulk Density1.22 g/cm³
Organic Carbon1.74 %
PH7
Clay Cation Exchange Capacity69 cmol kg⁻¹
Soil Cation Exchange Capacity21 cmol kg⁻¹
Base Saturation100 %
Total Exchangeable Bases33.3 cmol kg⁻¹
Calcium Carbonate3.7 %
Calcium Sulphate0 %
Exchangeable Sodium1 %
Electrical Conductivity0.1 dS m-1
Subsoil Properties
Gravel16 %
Sand33 %
Silt37 %
Clay30 %
USDA TextureClay loam
Reference Bulk Density1.33 g/cm³
Bulk Density1.36 g/cm³
Organic Carbon0.78 %
PH7.6
Clay Cation Exchange Capacity65 cmol kg⁻¹
Soil Cation Exchange Capacity21 cmol kg⁻¹
Base Saturation100 %
Total Exchangeable Bases30.5 cmol kg⁻¹
Calcium Carbonate8.9 %
Calcium Sulphate0 %
Exchangeable Sodium2 %
Electrical Conductivity0.1 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.
Köppen climate classification provided by Kottek, M., J. Grieser, C. Beck, B. Rudolf, and F. Rubel, 2006: World Map of Köppen-Geiger Climate Classification updated. Meteorol. Z., 15, 259-263