TY  - RPRT
TI  - The stratigraphy of the Perrysburg formation of Late Devonian age in western and west-central New York
AU  - James F. Pepper
AU  - Wallace De Witt
PY  - 1951
DO  - 10.3133/oc45
UR  - https://pubs.usgs.gov/publication/oc45
ID  - oc45
ER  -