Leaf beginning "The same writer [James Dwight Dana] states that it occurs in Triassic shales and limestone at Southbury Conn in the Mesozoic period"

Leaf beginning "The same writer [James Dwight Dana] states that it occurs in Triassic shales and limestone at Southbury Conn in the Mesozoic period", Box: 1, Folder: 37. 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/382390 Accessed March 19, 2026.