TY  - BOOK
AU  - Twenhofel,William H.
TI  - The geology and invertebrate paleontology of the Comanchean and "Dakota" formations of Kansas,
T2  - Kansas. State Geological Survey. Bulletin
AV  - QE113 .A2 no. 9
U1  - 557.81 s 
PY  - 1924///
CY  - Topeka
PB  - Kansas state printing plant
KW  - Geology
KW  - Kansas
KW  - Paleontology
N1  - Bibliography: p. 90-94
ER  -