Mystery WMATA/Metro survey markers: Can any intrepid city planners or engineers explain what these discs are (or were) used for? I seem them all over the place, even sometimes away from Metro stops.DodgingTrains t1_j2by3zz wrote
The A06 on it indicates that this picture was taken near Van Ness.
Can the OP confirm?
LilGeographersRoom OP t1_j2dtz74 wrote
It was right in front of the Zoo entrance on Connecticut Avenue
[deleted] t1_j2dyrnb wrote
[removed]
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