TY  - BOOK
AU  - Armstrong,Augustus K.
AU  - Mamet,Bernard L.
TI  - Biostratigraphy and regional relations of the Mississippian Leadville limestone in the San Juan Mountains, southwestern Colorado
T2  - Geological Survey professional paper
AV  - QE672 .A68
PY  - 1976///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Geology, Stratigraphic
KW  - Mississippian
KW  - Geology
KW  - Colorado
KW  - San Juan Mountains
N1  - Bibliography: p. 24-25
ER  -