TY  - BOOK
AU  - McKnight,Edwin Thor
ED  - Arkansas Geological Survey.
TI  - Zinc and lead deposits of Northern Arkansas
AV  - QE75 .B9 no. 853
PY  - 1935///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Lead ores
KW  - Arkansas
KW  - Zinc ores
N1  - At head of title: United States Department of the Interior; Bibliographical foot-notes
ER  -