pl23_geod0534.jpg
![Bench Mark A which is a monolite replica of the Washington Monumentwhich is 12-feet tall and placed under a manhole cover on the south side of theWashington Monument grounds geod0534.jpg Bench Mark A which is a monolite replica of the Washington Monumentwhich is 12-feet tall and placed under a manhole cover on the south side of theWashington Monument grounds](https://s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_geod0534.jpg)
Description
Bench Mark A which is a monolite replica of the Washington Monumentwhich is 12-feet tall and placed under a manhole cover on the south side of theWashington Monument grounds. Used during leveling operations.
Location
Washington, D. C.
Collection
Geodesy
Keywords
Geodesy