Selected Works

non fiction, nature, earth science, Cambrian Period, Iowa, fossils, geology, paleontology
Iowa has a meager assemblage of upper Cambrian age fossils, here is a work on what I have collected
non fiction, earth science, fossils, Devonian Period, Cerro Gordo Member, Lime Creek Formation
since the 1850s the Rockford, Iowa area has been noted for its rich and diverse Upper Devonian fossils, here is a pictorial of my own collection
geological and paleontological guide, nature, iowa, earth science, fossils, rocks, minerals
pictorial to the common rocks and fossils found in the Iowa area which has outcrops of Cambrian to Pennsylvanian strata, as well as Jurassic, Cretaceous, and Pleistocene strata
Non fiction, geology, nature
Includes information on more than 150 collecting sites for the rockhound in Iowa and adjacent areas of Minnesota and Nebraska.
Nature
A comprehensive guide to Iowa’s state-owned parks, recreation areas, forests, and selected preserves.
Robert Wolf email midnightwriter@​frontiernet.net