228281121
2018-06-27
2020-09-18
http://www.geonames.org/, 2018-06-27 : coordonnées géographiques
Kerby Knob (Ky.)
Kerby Knob (Ky.)
U.S. Geological Survey 7,5 minute series (topographic) : Kentucky / mapped, edited and published by the Geological Survey / Washington (D.C.) : Geological Survey , 1952
U.S. Geological Survey 7,5 minute series (topographic) : Kentucky / mapped, edited and published by the Geological Survey / [Reston (Va.)] : Geological Survey , 2012