TY - RPRT TI - Cross sections of Lower Ordovician carbonate depositional lithofacies and Mississippi Valley-type zinc-and iron-sulfide mineralization in the Caufield district, east-central part of Harrison 1 degree by 2 degrees Quadrangle, Arkansas and Missouri AU - Timothy S. Hayes AU - James R. Palmer AU - Gary Krizanich PY - 1992 DO - 10.3133/mf1994c UR - https://pubs.usgs.gov/publication/mf1994C ID - mf1994C ER -