Craig, Hal D.A survey map of an island in Tobin's Harbor near Houghton Township in Isle Royale County, Michigan, measured in 1934.JPEG2000701ecd01-5f9a-47c4-9428-c13956d9b3d4MI-T067N-R033WengDepartment of Natural Resources8888-003Public67N 33W - Survey Map of Islands, Houghton Township, Isle Royale County, page 8 [Michigan]MapsMichigan--Isle RoyaleT067N-R033W1934