Are there traces of man in the Trenton Gravels?

Are there traces of man in the Trenton Gravels?v. 1No. 115–37

Holmes, William Henry. 1893. "Are there traces of man in the Trenton Gravels?" The Journal of geology, 1, (1) 15–37.

ID: 136164
Type: article
Keywords: USNM; NMNH