TY  - BOOK
AU  - Condra,GeoE.
AU  - Reed,E.C.
TI  - Permo-Pennsylvanian section of the Hartville area of Wyoming,
AV  - QE135 .A43 no. 9
PY  - 1935///
CY  - [Lincoln]
PB  - Published by authority of the state of Nebraska
KW  - Geology, Stratigraphic
KW  - Permian
KW  - Pennsylvanian
KW  - Geology
KW  - Wyoming
N1  - Cover title; Bibliographical foot-notes
ER  -