Oklahoma. Ft. Supply Lake, 13 mi. NW of Woodward.  Fall/Winter 2015 positions: 2. Application deadline: Sept. 15, 2015. Spring/Summer 2016 positions: 5.  Application deadline: April 30, 2016.  Contact Eric Summars, Park Ranger:  580-766-2701.  [email protected]   Ft. Supply Lake, RR1 Box 175, Ft. Supply, OK 73841.