TY  - BOOK
AU  - Campbell,Marius R.
AU  - Pederson,Fred C.
ED  - Geological Survey (U.S.)
TI  - The Valley coal fields of Virginia,
AV  - QE173 .A2 no. 25
PY  - 1925///
CY  - Charlottesville
PB  - University of Virginia
KW  - Coal mines and mining
KW  - Virginia
KW  - Forests and forestry
N1  - Map folded in pocket; Bibliographical references
ER  -