Flow in a valley takes place as shown on the figure below. The formation of the valley has a hydraulic conductivity of 400 ft/d and a porosity of 0.25. The difference in the water levels in the two wells shown is 1 ft. The average depth of the aquifer between the two wells is 100 ft. Determine: a. (10 pts.) The rate of flow per mile and per meter width of the aquifer. b. (5 pts.) How long will it take the groundwater to travel from the head of the valley to the stream bank? 1000 ft 1 mile Itration Two observation wells have been constructed in the formation shown below. If the flow is horizontal at 0.01 m³/hr per meter width, K₁ = 15 m/d, and K3 -10 m/d, determine K2. 5 m 2.5 m flow 20 m K1 K₂ K3 300m 600m 400m