TY - RPRT TI - Paleoenvironment of the New Albany Shale Group ( Devonian- Mississippian) of Illinois AU - R.M. Cluff PY - 1980 DO - 10.1306/212f7ae0-2b24-11d7-8648000102c1865d UR - https://pubs.usgs.gov/publication/70012212 ID - 70012212 ER -