TY  - RPRT
TI  - Sphalerite in coals from southeastern Iowa, Missouri, and southeastern Kansas
AU  - Joseph R. Hatch
AU  - M.J. Avcin
AU  - W.K. Wedge
AU  - L. L. Brady
PY  - 1976
DO  - 10.3133/ofr76796
UR  - https://pubs.usgs.gov/publication/ofr76796
ID  - ofr76796
ER  -