A Guide to the stratigraphy of South Dakota /
Agnew, Allen F., 1918-2012.
A Guide to the stratigraphy of South Dakota / by Allen F. Agnew and Paul C. Tychsen. - Vermillion, S.D. : Science Center, University of South Dakota, 1965. - 195 p. : maps ; 28 cm. - Bulletin / South Dakota Geological Survey ; 14. . - Bulletin (South Dakota Geological Survey) ; 14. .
gs 65000329
Geology--South Dakota.
QE163 / .A3 no. 14
A Guide to the stratigraphy of South Dakota / by Allen F. Agnew and Paul C. Tychsen. - Vermillion, S.D. : Science Center, University of South Dakota, 1965. - 195 p. : maps ; 28 cm. - Bulletin / South Dakota Geological Survey ; 14. . - Bulletin (South Dakota Geological Survey) ; 14. .
gs 65000329
Geology--South Dakota.
QE163 / .A3 no. 14