Ancient volcanic rocks of South Mountain, Pennsylvania, by Florence Bascom. [U.S. Geological Survey Bulletin No. 136.]. [electronic resource]
Published
Washington, DC, 1896
Physical Description
131 p. : color maps, illustrations, tables.
Local Notes
Access is available to the Yale community.
Notes
Index, p. 123.
List of illustrations, p. 9.
Table of contents, p. 5.
Electronic reproduction. Chester, Vt.: NewsBank, inc., 2006. Available via the World Wide Web. Access restricted to Readex U.S. Congressional Serial Set subscribers.