Cover image for Drainage evolution in the Appalachians of Pennsylvania
Title:
Drainage evolution in the Appalachians of Pennsylvania
Author:
Thompson, Henry Dewey, 1893-1967.
Publication Information:
New York : New York Academy of Sciences, 1949.
Physical Description:
pages 31-62, 1 leaf of plates : illustrations, maps (1 folded) ; 24 cm.
General Note:
Cover title.
Language:
English
Format :
Book