I. SOIL FORMATION
References, Further Information
Fig. 3 is from The Indiana Water Resource. 1980. Indiana Department of Natural Resources (p. 25).
General information about soils of the state is in Cradle of Life: Soils, by D. P. Franzmeier. It is Chapter 4 of the book The Natural Heritage of Indiana, edited by M. T. Jackson, and published by Indiana University Press in 1997. This book also has many other chapters about the natural resources and cultural heritage of Indiana.
Specific information about soils can be found in county soil survey reports, available for all counties of the state in local Purdue Cooperative Extension Service and Soil and Water Conservation District offices.