Box 25, Folder 5: Paleontology Draft I 1853

Lower Silurian. Trenton Limestone

Middleville, Trenton Falls, Jacksonburg, Glen's Galls, Plattsburgh, & Watertown N. York. Menasha, Beetown, Mineral Point & Blue Mounds, Wisconsin* (I.A.L.) Bay St Paul, & Ottawa river, Canada.

*Indicated by nodose joints