Valley of the Minnesota River area of the Mississippi River to the junction of the Ohio
Subtitle: its origin considered depth of the bed-rock
Publisher: [s.n.]
Published: [n.d.]
Place of publication: [s.l.]
Language: eng
Number of pages: 20
Subjects: Physical geography; Geology
Notes: Chapter 2 of Report on bridging the Mississippi River between St. Paul, Minn. and St. Louis, Mo., by G. K. Warren. 1878.