TY  - RPRT
TI  - Map showing bedrock topography and area of occurrence of Madisonville limestone member of Sturgis Formation (Upper Pennsylvanian) beneath alluvial deposits of the Smith Mills Quadrangle, Henderson and Union counties, Kentucky
AU  - R. L. Norris
PY  - 1975
DO  - 10.3133/i889
UR  - https://pubs.usgs.gov/publication/i889
ID  - i889
ER  -