TY  - BOOK
AU  - Agnew,Allen F.
AU  - Tychsen,Paul C.
TI  - A Guide to the stratigraphy of South Dakota
T2  - Bulletin / South Dakota Geological Survey
AV  - QE163 .A3 no. 14
PY  - 1965///
CY  - Vermillion, S.D.
PB  - Science Center, University of South Dakota
KW  - Geology
KW  - South Dakota
ER  -