TY  - RPRT
TI  - Problems with applying topographically driven flow to genesis of the Upper Mississippi Valley zinc-lead district and to fluid flow in the Illinois Basin
AU  - Charles S. Spirakis
PY  - 1995
DO  - 10.3133/b2094c
UR  - https://pubs.usgs.gov/publication/b2094C
ID  - b2094C
ER  -