TY - RPRT TI - Total intensity aeromagnetic map of Potosi quadrangle, Missouri AU - William J. Dempsey AU - R. T. Duffner AU - Fred Keller AU - J. R. Hnederson PY - 1950 DO - 10.3133/gp13 UR - https://pubs.usgs.gov/publication/gp13 ID - gp13 ER -