Complex sentence: In 1994 the Los Alamos branch moved into its current building west of Fuller Lodge and in 2015, the White Rock branch Library moved into its respective new building next to the Youth Activity Center and across from the Smith's grocery store.
Split into simpler sentences: In 1994 the main library moved into its current building west of Fuller Lodge. And in 2015, the White Rock Branch Library moved into its respective new building next to the Youth Activity Center and across from the Smith's grocery store.