Ammonite (Eopachydiscus marcianus)Bob Campbell Geology Museum100 million years old; Formation: Duck Creek Limestone; Donated: Mr. and Mrs. Alvin Gosnell.
Ammonite (Mortaniceras equidistans)Bob Campbell Geology Museum100 million years old; Formation: Duck Creek Limestone; Donated: Mr. and Mrs. Alvin Gosnell.