Z03075850 USGS H03075850 3930090791937002424023SW050200061.03 2461.88 N03075850 ARROWHEAD RUN AT THAYERVILLE, MD Y03075850 303075850 20170729 66.5 3.92 303075850 20180216 112 4.16 303075850 20190630 42.4 3.65 303075850 20200210 23.8 3.43 303075850 20210901 277 4.22 303075850 20220101 69.3 3.81 303075850 20230227 32.8 3.52