Paleontological Sample - Microfossil Number: 39P-116 Common Name: Ostracod Scientific Name: Cyprinotus glaucos Locality: Blue Island, Chicago Areal Geologic Map; Brickyard of intersection if Illinois 49 (Ashland Ave) and West 138th Street, east end of clay pit.
Summary
Paleontological Sample - Microfossil Number: 39P-116 Common Name: Ostracod Scientific Name: Cyprinotus glaucos Locality: Blue Island, Chicago Areal Geologic Map; Brickyard of intersection if Illinois 49 (Ashland Ave) and West 138th Street, east end of clay pit.