TY  - BOOK
AU  - Hedges,Lynn S.
TI  - List of Widco logs run by State Geological Survey,: before March 1, 1964,
T2  - South Dakota. State Geological Survey. Circular
AV  - QE163 .H415
PY  - 1964///
CY  - Vermillion
PB  - Science Center, University of South Dakota
KW  - Borings
KW  - South Dakota
ER  -