found: Tower (Frontenac, Minn.). The tower, 1958:t.p. (Frontenac, Minn.)
found: Rand McNal. comm. atl., 1977:p. 307 (Frontenac; Goodhue [County])
found: GNIS, viewed 2002 Sep 18(Frontenac; pop. pl; Goodhue County; 44°30ʹ40ʺN, 092°21ʹ23ʺW; variant: Frontenac Station)
found: Mississippi Valley Partners Web site, viewed 2002 Sep 18(Frontenac; comprised of 2 uninc. communities about 1 mile apart; Old Frontenac founded 1839 along shores of Lake Pepin; Old Frontenac's sister community, Frontenac Station or New Frontenac, located on the railroad and highways 61 & 63)
found: GeoNames, algorithmically matched, 2009(ppl; 44°30ʹ40ʺN 092°21ʹ24ʺW)