Image from the Biodiversity Heritage Library.
Contributed by Yale Peabody Museum of Natural History.
| www.biodiversitylibrary.org
Transcription
"The glacial debris of large erratics covers the
land everywhere and all of it is decidedly local
in character. It has been torn from the hills
and mountains close by. Only one on a great
scale does one see a foreign erratic and then
it is probably not far from its native city.