TY  - RPRT
TI  - Lower ordovician section near Chambersburg, Pennsylvania
AU  - William Jasper Sando
PY  - 1958
DO  - 10.1130/0016-7606(1958)69[837:losncp]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70211917
ID  - 70211917
ER  -