TY  - BOOK
AU  - Leith,C.K.
AU  - Lund,Richard Jacob
AU  - Leith,Andrew
TI  - Pre-Cambrian rocks of the Lake Superior Region: a review of newly discovered geologic features, with a revised geologic map 
AV  - QE75 .P9 no. 184
PY  - 1935///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology, Stratigraphic
KW  - Precambrian
KW  - Geology
KW  - Superior, Lake
N1  - At head of title: United States Department of the Interior; Bibliography: p. 26-31
ER  -