The anorthosytes of the Minnesota coast of Lake Superior ; The laccolitic sills of the north-west coast of Lake Superior
By: by Andrew C. Lawson.
Series: Bulletin / Geological and natural history survey of Minnesota -- no. 8.; Bulletin (Geological and Natural History Survey of Minnesota) -- no. 8.; CIHM/ICMH microfiche series -- no. 10033.
Publisher: s.n.]
Published: 1981
Place of publication: [Minneapolis?
Language: eng
Format: Microform
Number of pages: 48
Subjects: Petrology -- Minnesota.; Geology -- Superior, Lake.; Rocks, Sedimentary -- Superior, Lake.
Notes: "With a prefatory note on the Norian of the northwest by N.H. Winchell."

Reproduction of original in: Library, Geological Suvey of Canada.

Pre-1900 Canadiana.

Microfiche. Ottawa : Canadian Institute for Historical Microreproductions, 1981. 2 microfiches (57 fr.) ; 11 x 15 cm. (CIHM/ICMH Microfiche series = CIHM/ICMH collection de microfiches ; no. 10033).