Looking down a 60-foot ladder from the top of the Washington Monument. All instruments and equipment had to be carried up and down this near vertical ladder during GPS operations. Not a good place for those with vertigo. Roy Anderson of NGS is on his way up.
Photo Category: Geodesy
Photo Location: Washington, D. C.
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| Added On | 17th October 2015 |
| Viewed | 12 viewed |
