TY - RPRT TI - Upper crustal structure of Alabama from regional magnetic and gravity data: Using geology to interpret geophysics, and vice versa AU - Mark G. Steltenpohl AU - J. Wright Horton AU - Robert D. Hatcher AU - Isidore Zietz AU - David L. Daniels AU - Michael W. Higgins PY - 2013 DO - 10.1130/ges00703.1 UR - https://pubs.usgs.gov/publication/70179674 ID - 70179674 ER -