Another thing to consider is that these elevation are based on older surveys and techniques and than adjusted to the "current" 1988 datum. I was told by a senior NGS employee for the western states that none of the 14ers have elevation observations done with survey grade GPS receivers. NGS requires a 4 hours continuous observation on a point for them to post process and publish the data. This would surely create new elevations for the benchmarks. I had dreams of making observations on some of the peaks but I wasn't sure if I could wait 4 hrs and I didn't want to throw out my t shirts....
