Hearland portrait : stories from the rural Midwest /Author: Wolf, Robert Charles,
Publisher: Decorah, IA : Free River Press,
Date: 2009. This title can be found in 1 Iowa libraries.
Fossils of Iowa : field guide to Paleozoic deposits /Author: Wolf, Robert Charles,
Publisher: Lincoln, NE : iUniverse,
Date: 2006. This title can be found in 11 Iowa libraries.
Iowa's state parks : also forests, recreation areas, and preserves /Author: Wolf, Robert Charles,
Publisher: Ames : Iowa State University Press,
Date: 1991. This title can be found in 103 Iowa libraries.
A.M.A.T.E.U.R. : a Marmaton, amateur-led trek to exposures unexplored near the Raccoon River (Southeast Dallas County) /Author: Wolf, Robert Charles,
Publisher: [Iowa City, Iowa] : Geological Society of Iowa,
Date: [1990] This title can be found in 2 Iowa libraries.
Fossils of Iowa : field guide to Paleozoic deposits /Author: Wolf, Robert Charles,
Publisher: Ames : Iowa State University,
Date: 1983. This title can be found in 112 Iowa libraries.
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