Whiskey Point. The bluff at Main St. and Park Ave. was the site on Aug. 14, 1794, of a meeting of 226 whiskey rebels. Albert Gallatin''s eloquence turned the tide, resulting in peaceful ending of the Whiskey Rebellion and the possibility of civil strife.

Main St. (PA 136/88/837) betw. First St. & Park Ave., Monongahela, PA, United States

Mounds, The. Site of two Indian Burial Mounds built between 2,000 and 3,000 years ago by the Adena people. Late 19th century excavations found skeletons, pottery, copper implements, and other antiquities.

Memorial Park, Mounds & Indiana Sts., Monongahela, PA, United States

Monongahela. Oldest settlement in the valley and transportation center since the days of Devore's Ferry, chartered 1775. Laid out in 1796 as Williamsport. A city since 1873. Here thousands of pioneers began the river journey to the West.

Pa. 88 at 7th St., Monongahela, PA, United States

Monongahela. Oldest settlement in the valley and transportation center since the days of Devore's Ferry, chartered 1775. Laid out in 1796 as Williamsport. A city since 1873. Here thousands of pioneers began the river journey to the West.

Main Street (Pa. 88) at 5th St. at Municipal Building, Monongahela, PA, United States

Monongahela. Oldest settlement in the valley and transportation center since the days of Devore's Ferry, chartered 1775. Laid out in 1796 as Williamsport. A city since 1873. Here thousands of pioneers began the river journey to the West.

Pa. 136 at Chess St., Monongahela, PA, United States