Z01601420 USGS H01601420 3938180785333002424001SB02070002 1546.41 N01601420 HOFFMAN DRAINAGE TUNNEL AT CLARYSVILLE, MD Y01601420 301601420 20160525 23.0C 2.12 301601420 20170525 26.1C 2.25 2 2.43 301601420 20180616 26.0C 2.20 2 2.78 301601420 20181107 27.3C 2.21 301601420 20191001 20.6C 2.07 2 2.13