The datum is defined by the observed heights of mean sea level at the 26 tide gauges and by the set of elevations of all bench marks resulting from the adjustment. A total of 106,724 kilometers of leveling was involved, constituting 246 closed circuits and 25 circuits at sea level.
George Washingtonâs Mount Vernon is located roughly 15 miles south of Washington, D.C. and 8 miles south of Alexandria, Virginia on the banks of the Potomac River, at the southern end of the George Washington Memorial Parkway.
1 hour 57 mins. Distance from Louisville, KY to Mount Vernon, KY is 129Miles or 207 Km. You can get this distance about 1 hour 57 mins. If you want to planning travel with plane for 100 Miles or 160 Km, You can get this distance about 42 mins .