by Richard D. L. Fulton Monocacy Drive-In Theater The Monocacy Drive-in Theater opened on August 24, 1952, and was located on Route 140 (Taneytown-Emmitsburg Road), near Taneytown. The coming of a new drive-in theater was initially announced in the August 26, 1952, edition of The (Frederick) News, which had reported that John G. Miller, owner…