TY  - BOOK
AU  - Heller,Robert L.
TI  - Stratigraphy and paleontology of the Roubidoux formation of Missouri
AV  - QE131 .A13 vol. 35
U1  - 551.731551.72* 
PY  - 1954///
CY  - Rolla
KW  - Geology, Stratigraphic
KW  - Ordovician
KW  - Geology
KW  - Ozark Mountains
KW  - Paleontology
N1  - Bibliography: p. 109-112
ER  -