Field studies in the Archæan rocks of Minnesota, with accessory observations in Ontario, Michigan and Wisconsin
By: By Alexander Winchell
Publisher: Register printing and publishing co.
Published: 1889
Place of publication: Ann Arbor, Mich
Language: eng
Number of pages: 494
Subjects: Stratigraphic Geology; Geology
Notes: Various paging.

Extracted from the 15th and 16th annual reports of the Geological and natural history survey of Minnesota.