TY  - RPRT
TI  - Foxburg-Clarion folio, Pennsylvania
AU  - Eugene Wesley Shaw
AU  - Edwin F. Lines
AU  - Malcolm John Munn
PY  - 1911
DO  - 10.3133/gf178
UR  - https://pubs.usgs.gov/publication/gf178
ID  - gf178
ER  -