TY  - RPRT
TI  - Metallogenic map of zinc, lead, and barium deposits and occurrences in Paleozoic sedimentary rocks, east-central United States
AU  - S. H. B. Clark
PY  - 1988
DO  - 10.3133/i1773
UR  - https://pubs.usgs.gov/publication/i1773
ID  - i1773
ER  -