TY  - RPRT
TI  - Upper Ordovician and Silurian stratigraphy in Sequatchie Valley and parts of the adjacent valley and ridge, Tennessee
AU  - Robert C. Milici
AU  - Helmuth Wedow
PY  - 1977
DO  - 10.3133/pp996
UR  - https://pubs.usgs.gov/publication/pp996
ID  - pp996
ER  -