Geodes! Iowa’s mysterious state rock

Streaming video - 2018

Ray Anderson and Marv Houg from the Cedar Valley Rocks and Minerals Society share the secrets of this most mysterious of rocks.

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Subjects
Published
Iowa City, IA : Iowa City Public Library [2018]
Language
unknown
Corporate Author
Iowa City Public Library
Corporate Author
Iowa City Public Library (-)
Online Access
Go to Iowa City Public Library's Streaming Video site.
Physical Description
1 online resource (approximately 47 min.) : sound, color