Z01645900 USGS H01645900 3857560771836005151059SW020700085.04 285.39 N01645900 COLVIN RUN AT RESTON, VA Y01645900 301645900 19610610 320 3.39 301645900 19620312 176 2.64 301645900 19630630 790 5.13 301645900 19640109 268 3.13 301645900 19660914 420 5.82 301645900 19670824 600 6.37