TY - RPRT TI - Geophysical insights into Paleoproterozoic tectonics along the southern margin of the Superior Province, central Upper Peninsula, Michigan AU - Benjamin J. Drenth AU - William F. Cannon AU - Klaus Schulz AU - Robert A. Ayuso PY - 2021 UR - https://pubs.usgs.gov/publication/70240821 ID - 70240821 ER -