[022-50] Cusps on the Beach of Lake Michigan at Evanston, Illinois
Cusps on the Beach of Lake Michigan at Evanston, Illinois
[023-26] Notes on the Pennsylvanian Rocks of Jasper County, Illinois
Notes on the Pennsylvanian Rocks of Jasper County, Illinois Author: Needham, C. E.
[024-55] A Study of the New Richmond Sandstone from Two Localities in Wisconsin
A Study of the New Richmond Sandstone from Two Localities in Wisconsin Author: Needham, C.E.