Over 45 yrs experience designing & maintaining landscapes in Central Oregon. Commercial & Residential Landscapes, Irrigation, Stone Pavers & Water Features
Also, using 2016 values allows us to avoid any current volume adjustment for John Redmond due to the dredging activity that occurred late that year. Annual depletion rate (D; also a %) was calculated by: D = Lr/(tr − t0) (4) The year that half of the reservoir (t1/2) will be...