Map
Soil Survey, Morton Arboretum, Lisle, Illinois [Septic filter field interpretation]circa 1970
U.S. Soil Conservation Service
Map
Soil Survey, Morton Arboretum, Lisle, Illinois [Urban interpretation]circa 1970
U.S. Soil Conservation Service
Map
Soil Survey, Morton Arboretum, Lisle, Illinois [Wetness hazard interpretation]circa 1970
U.S. Soil Conservation Service
Map
Hidden Lake Forest Preserve [site survey, ecological reconstruction, ecosystems/ecological value, slope, hydrology, soils, minerals, cultural improvements, and neighboring land use]circa 1975
Forest Preserve District of DuPage County
Map
Hidden Lake Forest Preserve [site survey, ecological reconstruction, ecosystems/ecological value, slope, hydrology, soils, minerals, cultural improvements, and neighboring land use]circa 1975
Forest Preserve District of DuPage County
Document
Untitled draft document
Map
Soils Mapped on the Schulenberg Prairie of the Morton Arboretum1990
Hootman, Rick, Allen, Kimberly