TY - RPRT TI - New and unique U.S. magnetic database is forthcoming AU - T. Hildenbrand AU - W. Hinze AU - Keller G. Randy AU - V. Labson AU - W. Roest PY - 2003 DO - 10.1190/1.1885534 UR - https://pubs.usgs.gov/publication/70026202 ID - 70026202 ER -