LilGeographersRoom OP t1_j2du9gv wrote on December 31, 2022 at 3:01 PM Reply to comment by the_real_dmac in 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. by LilGeographersRoom Does Metro maintain these discs alone, or do they keep their measures in tangent with USGS? Permalink Parent 1
LilGeographersRoom OP t1_j2dtz74 wrote on December 31, 2022 at 2:59 PM Reply to comment by DodgingTrains in 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. by LilGeographersRoom It was right in front of the Zoo entrance on Connecticut Avenue Permalink Parent 2
LilGeographersRoom OP t1_j29co4d wrote on December 30, 2022 at 4:22 PM Reply to comment by TorontoNeverSkeets in 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. by LilGeographersRoom Is there a reason these are branded with Metro specifically? Permalink Parent 4
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. Submitted by LilGeographersRoom t3_zz42rw on December 30, 2022 at 4:03 PM in washingtondc 30 comments 88
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.
LilGeographersRoom OP t1_j2du9gv wrote
Reply to comment by the_real_dmac in 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. by LilGeographersRoom
Does Metro maintain these discs alone, or do they keep their measures in tangent with USGS?