TY - RPRT TI - A hydrogeologic model of stratiform copper mineralization in the Midcontinent Rift System, Northern Michigan, USA AU - J.B. Swenson AU - M. Person AU - Jeff P. Raffensperger AU - W.F. Cannon AU - L. G. Woodruff AU - M.E. Berndt PY - 2004 DO - 10.1111/j.1468-8123.2004.00062.x UR - https://pubs.usgs.gov/publication/70027062 ID - 70027062 ER -