Cover image for Pre-Cambrian and Triassic Diabase in Eastern Pennsylvania.
Title:
Pre-Cambrian and Triassic Diabase in Eastern Pennsylvania.
Author:
Jonas, Anna I. (Anna Isabel), 1881-
Publication Information:
New York : Pub. by A.M.N.H., 1917.
Physical Description:
pages 173-181. octavo.
Language:
English
Format :
Book