TY  - RPRT
TI  - Measured sections of Ordovician strata in east-central Kentucky
AU  - W. L. Peterson
AU  - W. C. Swadley
PY  - 1979
DO  - 10.3133/ofr791664
UR  - https://pubs.usgs.gov/publication/ofr791664
ID  - ofr791664
ER  -