The geologic history or events prior to any human habitation and a description of the current geologic and soil conditions.
Pre-European settlement (from the Native American migration of about 20,000 years ago to 1800 AD). Of particular interest is the Native American impact on the ecology including such things as field burning, food sources from this property (acorns, grasshoppers, berries, etc) and the possible introduction of plants from other areas.
History of agricultural practices.
A history of the Bonesteele family, the donors of the property.
A description of the travels of David Douglas and other early explorers through Marion, focusing on their botanical findings and observations.