552.34
G
Grount , Frank Fitch, 1880-
... The geology of the anortosites of the Minnesota coast of lake Superior , by Frank F. Grout and George M. Schwartz. Minnneapolis, The University of Minnesota press, 1939.
viii, 119 p. ilus. , maps ( 6 fold. in pocket) 2 cm. (Minneesota geological survey ... Bulletín 28) 
At bead of title : University of Minnesote . "Chronological list of publications on the geology of the are " : p. 4-5.