Image from the Biodiversity Heritage Library.
Contributed by Smithsonian Institution Archives.
| www.biodiversitylibrary.org
Transcription
Dr 159
1 In N.N. corner of Driscoll's Quarry at Ithaca. This is a clay seam coming up as it is to the strata, which only so I think origin. The clay is a sort of green color and contains an abundance of mica flakes.
The seam is separated by 2' 3