Geologic map from Niagara folio, figure 10 Lake Tonawanda
Black and white lantern slide copy of a sketch map showing Lake Tonawanda and spillways from it to glacial Lake Iroquois, with surrounding text from an unidentified publication.
undated
In Copyright
Grand Valley State University. University Libraries. Special Collections & University Archives
Merrill_LS00008
image/jpg
Image
eng
Merrill, Robert H., 1881-1955, “Geologic map from Niagara folio, figure 10 Lake Tonawanda,” Digital Collections, accessed April 28, 2024, https://digitalcollections.library.gvsu.edu/document/52484.