Z12117820 USGS H12117820 4723571215513005353033SW171100129.42 N12117820 WALSH LAKE DITCH NEAR LANDSBURG, WA Y12117820 312117820 19860119 74.0 6.38 312117820 19861124 330 8.29 312117820 19880407 54.0 6.06 312117820 19890405 109 6.82 312117820 19900109 242 7.84