TY  - RPRT
TI  - The geology of the Kutztown and Hamburg 7 1/2-minute quadrangles, eastern Pennsylvania
AU  - G. G. Lash
PY  - 1982
DO  - 10.3133/ofr82493
UR  - https://pubs.usgs.gov/publication/ofr82493
ID  - ofr82493
ER  -