Valley Forge National Historical Park

Location:Pennsylvania, United States
IUCN Category:VI
Area:3,509 acres (1,420 hectares)
Species:All  Endangered  Invasive
Website:View website
Map:View Google Map
Climate:View Climate Data
Land Use:View Land Use Data

Ecoregions

Northeastern coastal forests

Soils

Link to Map
Protected Area Boundary
 A
  
Share70 %30 %
Soil TypeChromic LuvisolsDystric Cambisols
Topsoil TextureMediumMedium
Reference Depth100 cm100 cm
DrainageModerately wellModerately well
Available Water Capacity150 m150 m
Topsoil Properties
Gravel9 %10 %
Sand47 %41 %
Silt29 %39 %
Clay24 %20 %
USDA TextureLoamLoam
Reference Bulk Density1.39 g/cm³1.41 g/cm³
Bulk Density1.54 g/cm³1.3 g/cm³
Organic Carbon0.86 %1.45 %
PH6.45.1
Clay Cation Exchange Capacity38 cmol kg⁻¹30 cmol kg⁻¹
Soil Cation Exchange Capacity12 cmol kg⁻¹12 cmol kg⁻¹
Base Saturation89 %37 %
Total Exchangeable Bases10 cmol kg⁻¹4.1 cmol kg⁻¹
Calcium Carbonate0 %0 %
Calcium Sulphate0 %0 %
Exchangeable Sodium1 %1 %
Electrical Conductivity0.1 dS m-10.1 dS m-1
Subsoil Properties
Gravel8 %20 %
Sand39 %45 %
Silt27 %35 %
Clay34 %20 %
USDA TextureClay loamLoam
Reference Bulk Density1.33 g/cm³1.42 g/cm³
Bulk Density1.52 g/cm³1.37 g/cm³
Organic Carbon0.38 %0.5 %
PH6.35.2
Clay Cation Exchange Capacity40 cmol kg⁻¹36 cmol kg⁻¹
Soil Cation Exchange Capacity15 cmol kg⁻¹9 cmol kg⁻¹
Base Saturation93 %33 %
Total Exchangeable Bases12.3 cmol kg⁻¹2.6 cmol kg⁻¹
Calcium Carbonate0 %0 %
Calcium Sulphate0 %0 %
Exchangeable Sodium1 %1 %
Electrical Conductivity0.1 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.