Selected Works

Non fiction, geology, nature
Includes information on more than 150 collecting sites for the rockhound in Iowa and adjacent areas of Minnesota and Nebraska.
A comprehensive guide to Iowa’s state-owned parks, recreation areas, forests, and selected preserves.


Fossils of Iowa, Field Guide to Paleozoic Deposits
Originally published in 1983 by the Iowa State University Press, this field guide is written primarily for amateurs in geological exploration and collecting. Robert Wolf provides a comprehensive coverage of more than 150 sites in Iowa and adjacent areas of Minnesota and Nebraska with the types of fossils found and precise directions. Excellent illustratons by Carol Ann Ratcilff aide in indentification. The book was reprinted in 2006 by For an update in site conditions and geological names since the book was first published contact the author through his e-mail address.

Iowa’s State Parks: Also Forests, Recreation Areas, and Preserves
“As I traveled throughout Iowa, gathering research for my earlier book, Fossils of Iowa, I frequently stopped at state parks along the way to break the monotony of driving. I soon became aware that Iowa has many beautiful parks where visitors can temporarily escape the problems of everyday life.” Note: Iowa's State Parks is out of print.