Career Camps for Children.Published in:Legacy (National Association for Interpretation), 2011, v. 22, n. 3, p. 26By:GOLDSTEIN, ALANPublication type:Article
A River Runs Through Them: The fossil Beds of the Falls of the Ohio in Kentucky & Indiana.Published in:Rocks & Minerals, 1994, v. 69, n. 3, p. 170, doi. 10.1080/00357529.1994.9925584By:Greb, Stephen F.Publication type:Article