TY  - BOOK
AU  - Winchell,N.H.
TI  - The history of geological surveys in Minnesota
AV  - QE127 .A22 no. 1
PY  - 1889///
CY  - St. Paul
PB  - The Pioneer Press Co.
KW  - Geology
KW  - Minnesota
KW  - Surveys
ER  -