TY  - BOOK
AU  - Caplan,W.M.
TI  - Subsurface geology of northwestern Arkansas
T2  - Arkansas.  Geological and Conservation Commission.  Information circular 19
AV  - QE87 .A3 no. 19
U1  - 557.67 
PY  - 1957///
CY  - Little Rock
KW  - Geology
KW  - Arkansas
KW  - Maps
KW  - Geology, Stratigraphic
N1  - Bibliography: p. 9
ER  -