HIGHEST - Benchmark in Pennsylvania - Mt Davis
Posted by: Groundspeak Premium Member Ernmark
N 39° 47.159 W 079° 10.606
17S E 656119 N 4405593
Quick Description: At the highest point in Pennsylvania sits an 8-foot boulder ..and on top of that sits a U.S. Geological Survey benchmark.
Location: Pennsylvania, United States
Date Posted: 4/20/2015 2:25:14 PM
Waymark Code: WMNQPA
Published By: Groundspeak Premium Member thebeav69
Views: 0

Long Description:
Many mountain peaks sport a benchmark at their highest point. In the case of Pennsylvania's highest point, Mt. Davis has a relatively flat summit, but there are several large boulders - the tallest of which contains a bronze triangulation station disk...at 3213.18 feet.

In the early part of the 20th Century, a platform surrounded this rock where visitors could easily touch/inspect the top of this boulder. The platform was later removed, and in 1975 this benchmark was reset. It is still easy to view this mark, but a bit of climbing is necessary;)

This benchmark (3213 RESET USGS 1975) is documented with its exact height & coordinates in the database of the US National Geodetic Survey - (visit link)

A list of NGS 'extreme' benchmarks for each state is maintained on this site - (visit link)
Type of documentation of superlative status: National Geodetic Survey database

Location of coordinates: benchmark

Web Site: [Web Link]

Visit Instructions:


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