Mineral resources of Minnesota;
Emmons, William H. 1876-
Mineral resources of Minnesota; edited by William H. Emmons and Frank F. Grout. Sections prepared by Frank F. Grout, John W. Gruner, George M. Schwartz, Clinton E. Stauffer and George A. Thiel. - Minneapolis, The University of Minnesota press, 1943. - viii, 149 p. illus. 24 cm. - Minnesota. Geological survey. Bulletin 30 .
At head of title: University of Minnesota. Minnesota Geological survey. William H. Emmons, director. "A list of the minerals of Minnesota": p. 141-143.
Bibliography: p. 145-146.
gs 44000026
Mines and mineral resources--Minnesota.
QE127 / .A22 no. 30
557.76
Mineral resources of Minnesota; edited by William H. Emmons and Frank F. Grout. Sections prepared by Frank F. Grout, John W. Gruner, George M. Schwartz, Clinton E. Stauffer and George A. Thiel. - Minneapolis, The University of Minnesota press, 1943. - viii, 149 p. illus. 24 cm. - Minnesota. Geological survey. Bulletin 30 .
At head of title: University of Minnesota. Minnesota Geological survey. William H. Emmons, director. "A list of the minerals of Minnesota": p. 141-143.
Bibliography: p. 145-146.
gs 44000026
Mines and mineral resources--Minnesota.
QE127 / .A22 no. 30
557.76