TY  - RPRT
TI  - Geology of the New Tripoli Quadrangle, Lehigh, Berks, Schuylkill, and Carbon counties, Pennsylvania
AU  - Jack Burton Epstein
AU  - Peter T. Lyttle
PY  - 1993
DO  - 10.3133/b1994
UR  - https://pubs.usgs.gov/publication/b1994
ID  - b1994
ER  -