TY - RPRT TI - Digital aeromagnetic data from the Sandoval-Santa Fe, Belen, and Cochiti airborne surveys; covering areas in Rio Arriba, Sandoval, Santa Fe, Socorro, and Valencia counties, New Mexico AU - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey AU - Sander Geophysics AU - Geoterrex-Dighem PY - 1999 DO - 10.3133/ofr99404 UR - https://pubs.usgs.gov/publication/ofr99404 ID - ofr99404 ER -