TY  - RPRT
TI  - Lithofacies and stratigraphic nomenclature of part of the Upper Ordovician section of Kentucky
AU  - G. W. Weir
AU  - W. L. Peterson
AU  - W. C. Swadley
PY  - 1979
DO  - 10.3133/i1155
UR  - https://pubs.usgs.gov/publication/i1155
ID  - i1155
ER  -