TY - RPRT TI - Deep crustal structure of the Precambrian basement beneath northern Lake Michigan, midcontinent North America AU - W.F. Cannon AU - Myung W. Lee AU - W. J. Hinze AU - K. J. Schulz AU - Alan G. Green PY - 1991 DO - 10.1130/0091-7613(1991)019<0207:dcsotp>2.3.co;2 UR - https://pubs.usgs.gov/publication/70016837 ID - 70016837 ER -