[Geological Survey professional paper 71; Index to stratigraphy of North America, pt. 1].

Bibliographic Details

Corporate Authors:	Geological Survey (U.S.), ProQuest (Firm)
Format:	Government Document eBook
Language:	English
Published:	Washington : [publisher not identified], 1912.
Series:	United States congressional serial set.
Subjects:	Geological Survey (U.S.) Geology. Mexico. Electronic books.
Online Access:	Connect to the full text of this electronic book