The Horizon of the South Valley Hill Rocks in Pennsylvania

By

Frazer, Persifor, 1844-1909

Type

Article

Date of Publication

1882

Original Publication

Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge

Volume

20

Series / Issue

Issue: 112

Pages

510--518

Contributed by

BioStor

Language

English

Published by

Philadelphia, American Philosophical Society,

Identifiers

BioStor: https://biostor.org/reference/202911
JSTOR: 982703