"49849 (Ishpeming)" . "National Mine" . . . "Tilden Township, Michigan" . "434.0" . "1.57989274730496E7" . "1013" . "49866 (Negaunee)" . . . "2.4861295871115264E8" . . "49841 (Gwinn)" . "434.0352" . "-4" . . "-5" . . "906" . . . "4.362954391529638" . . "Tilden Township" . . "Tilden Township, Michigan" . "Tilden" . "2.3281403123810303E8" .