TY  - BOOK
AU  - Stose,George Willis
ED  - Pennsylvania.
TI  - Geology and mineral resources of the Middletown quadrangle, Pennsylvania,
T2  - U.S. Geological survey. Bulletin 840
AV  - QE75 .B9 no. 840
PY  - 1933///
CY  - Washington
PB  - U.S. Govt. Print Off.
KW  - Geology
KW  - Pennsylvania
KW  - Mines and mineral resources
N1  - At head of title: United States Department of the Interior; One folded map in pocket; Bibliographical foot-notes
ER  -