TY - RPRT TI - Geologic applications of modern aeromagnetic surveys : proceedings of the U.S. Geological Survey Workshop on Geologic Applications of Modern Aeromagnetic Surveys, held January 6-8, 1987, in Lakewood, Colorado PY - 1990 DO - 10.3133/b1924 UR - https://pubs.usgs.gov/publication/b1924 ID - b1924 ER -