Preliminary report on the clays and shales of Minnesota
Grout, Frank F. (Frank Fitch)
1880-
creator
Soper, Edgar Kirke
1886-
joint author.
Geological Survey (U.S.)
University of Minnesota
text
bibliography
mnu
Minneapolis
The University of Minnesota
1914
monographic
eng
viii, 175 p. illus., plates, fold. map, fold. tab., diagrs. 23 cm.
by Frank F. Grout and E.K. Soper.
At head of title: The University of Minnesota.
In cooperation with the United States geological survey.
Clay
Minnesota
TN942 .G8
Minnesota. Geological survey. Bulletin 11
gs 15000336
U.S. Geol. survey. Library.
761022
20260227111317.0
gs 15000336