TY - RPRT TI - Generalized geologic and summary geochemical maps of the Rolla 1 degree by 2 degrees Quadrangle, Missouri AU - R. L. Erickson AU - E. L. Mosier AU - J.G. Viets PY - 1978 DO - 10.3133/mf1004a UR - https://pubs.usgs.gov/publication/mf1004A ID - mf1004A ER -