Flood Inundation Depth for a Flow of 2,130 cfs (stage 14) at Gage 14211500, Johnson Creek near Sycamore, Oregon (sycor_14.tif)
The basis for these features is U.S. Geological Survey Scientific Investigation Report 2017-5024 Flood Inundation Mapping Data for Johnson Creek near Sycamore, Oregon. The domain of the HEC-RAS hydraulic model is a 12.9 mile reach of Johnson Creek from just upstream of SE 174th Avenue in Portland, Oregon to its …