Box Elder, DHS community library open for 2015-2016 school year Published Sept. 28, 2015 By 28th Bomb Wing Public Affairs ELLSWORTH AIR FORCE BASE, S.D. -- The community library, located at Douglas High School in Box Elder, is open for the 2015-2016 school year now through May 5, 2016. During full school days, the library will be open Monday through Wednesday from 3:30 to 5:30 p.m., and Thursdays from 3:30 to 7:30 p.m. For more information, call Kimberly Darata, Douglas School District library services director, at (605) 923-0044.