Sketch of the botany of Pennsylvania
By: by Thomas C. Porter
Publisher: O.W. Gray
Published: 1872
Place of publication: Philadelphia
Language: eng
Number of pages: 26
Subjects: Plants
Other titles: Atlas of the United States, with general maps of the world.
Notes: Title from cover.

"From Walling & Gray's New Topographical Atlas of Pennsylvania."--Cover.

Printed in three columns.