Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
St. Helen's Island, Johnstown,
East channel.
Fortification.
Old systemate.
El. Sawmace River.
& the localite effemerit is import. Watered Ogdorm sandstone, &c / the Ordricic limestones, Oticu Houd shale, Shelden bryian out a little Chonders.
Then undoubt'd is also imprinted - just thistion of the Oidom red in some,
contact at
limiting zone.
Oticu Hood shale.
xx = oxdie. limetstone