> Nothing in that presentation says that Google sourced the data from > Wikipedia, just that Wikipedia and Google had the same coordinates, which > in this case would be from some “official” source. >
That's why I backtracked exhaustively from every official source - Washington State Pilot's Manual, NGA, USGS, NOAA, and lots more. Typical differences in those, but generally in the lake / airport area. The erroneous floating point Lat/Long GeoHack entries, however was identical to the most significant digits out to where the digit positions were switched. I also just plain Googled the digits of the coordinates as a literal string, etc. You may be correct, but if one does the same with any of the official versions, they show up in many, many places. Hence my assumption of a probable data entry / edit typo on GeoHack. > The current data on Google also differs from Wikipedia. > Yes, and ironically, superficially the point they show is in the land Runway Protection Zone! Michael
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