what county is shady grove, pa in
Historical Sketch of Franklin County, Pennsylvania . Patriot. p. 218. Franklin County . Jim Forte Postal History . Retrieved 19 June 2017 . Shady Grove is an unincorporated community in Franklin County , in the U.S. state of Pennsylvania . History Shady Grove was platted in 1848. A post office has been in operation at Shady Grove since 1852.