Ink drawing showing two diagrams of a geological cross "section of the country at the head of the [Cayuga and Seneca] lakes"

Ink drawing showing two diagrams of a geological cross "section of the country at the head of the [Cayuga and Seneca] lakes", Box: 1, Folder: 1. Notes and annotations in 1859 edition of The Manufacture of Photogenic or Hydro-carbon Oils, MS C79. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/382354 Accessed December 31, 2025.