Is this an agate?
Subtitle: an illustrated guide to Lake Superior's beach stones Michigan
By: written and illustrated by Susan Robinson.
Publisher: Book Concern Printers
Published: 2001
Place of publication: Hancock, Mich
Language: eng
Number of pages: 23
Subjects: Rocks -- Michigan.; Rocks -- Superior, Lake, Region.; Minerals -- Michigan.; Minerals -- Superior, Lake, Region.