TY  - RPRT
TI  - Structure and stratigraphy of the outcropping Pennsylvanian rocks in the Tiptop quadrangle, Breathitt, Magoffin and Knott Counties, Kentucky
AU  - Stewart W. Welch
PY  - 1955
DO  - 10.3133/om163
UR  - https://pubs.usgs.gov/publication/om163
ID  - om163
ER  -