TY - RPRT TI - Preliminary structure contour maps on top of the Cambrian Bonneterre formation and on top of Upper Cambrian strata, Rolla 1° x 2° quadrangle, Missouri AU - K. H. Anderson PY - 1979 DO - 10.3133/mf1002h UR - https://pubs.usgs.gov/publication/mf1002H ID - mf1002H ER -