Title
Vegetable, mineral or animal?: Curious concentric circles in Shawangunk quartzite, on Kittatinny Mountain, N. J., which have received a wide variety of interpretations
By
Torrey, Raymond H.
Original Publication
Torreya
Published by
Burlington, Vt, Torrey Botanical Club, 1901-1945
Identifiers
BioStor:
https://biostor.org/reference/276123