Frederic G. Mather describes angel Moroni as appearing to Joseph.
Frederic G. Mather, "The Early Days of Mormonism," Lippincott's Magazine 2, no. 6 (August 1880): 199.
It [a hill four miles south of Palmyra] is known to the present generation as "Gold Bible Hill:" to Joe Smith it was known as "the Hill Cumorah;' where the angel Moroni announced to him the presence of the "golden plates" giving an account of the fate which attended the early inhabitants of America.