TY  - BOOK
AU  - Swanson,Vernon Emanuel
AU  - Landis,Edwin R.
ED  - Geological Survey (U.S.)
TI  - Geology of a uranium-bearing black shale of Late Devonian age in north-central Arkansas,
T2  - Arkansas. Geological and Conservation Commission. Information circular no. 22
AV  - QE87 .A3 no. 22
U1  - 557.67/08 s 
PY  - 1962///
CY  - [Little Rock]
PB  - Arkansas Geological and Conservation Commission
KW  - Geology, Stratigraphic
KW  - Devonian
KW  - Black shales
KW  - Arkansas
KW  - Marion Co
KW  - Uranium
N1  - "Prepared by the U.S. Geological Survey in cooperation with the Arkansas Geological and Conservation Commission."; Bibliography: p. 15-16
ER  -