TY - RPRT TI - Spectrographic and chemical analyses of whole-rock and insoluble-residue samples, Rolla 1° by 2° quadrangle, Missouri: Drill hole No. 22 AU - Elwin L. Mosier AU - J.G. Viets AU - M. S. Erickson AU - S.K. McDanal PY - 1980 DO - 10.3133/ofr80701 UR - https://pubs.usgs.gov/publication/ofr80701 ID - ofr80701 ER -