TY - RPRT TI - Aeromagnetic map of the Hancock quadrangle, Houghton County, Michigan AU - James R. Balsley AU - J. L. Meuschke AU - Jean Blanchett PY - 1963 DO - 10.3133/gp321 UR - https://pubs.usgs.gov/publication/gp321 ID - gp321 ER -