Complex sentence: In 1967 the Boy Scouts of America opened the Ellsworth H. Augustus International Scout House at the National Office in North Brunswick, NJ operated along with the Johnston Historical Museum until closing in 1979.
Split into simpler sentences: In 1967 the Boy Scouts of America opened the "Ellsworth H. Augustus International Scout House" at the National Office in North Brunswick, NJ. I operated along with the Johnston Historical Museum until closing in 1979.