Browsing by Subject "winged shell"
Now showing items 1-1 of 1
-
Outline of the Geologic History of the Grand Traverse Region
(Michigan Department of Conservation, 1957-04)The four counties bordering Grand Traverse Bay with Kalkaska and Benzie counties form a unit sharing the same geologic history. The foundation of the region is a segment of the western rim of the nest of rock bowls that ...