TY - RPRT TI - Aeromagnetic survey of the Richland Center and part of the Decorah 1:100,000 quadrangles, Wisconsin and Iowa AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey PY - 1999 DO - 10.3133/ofr99526g UR - https://pubs.usgs.gov/publication/ofr99526G ID - ofr99526G ER -