Fort McIntosh. The first U.S. military post north of the Ohio. Located on River Road and occupying the area between Bank, Insurance, and Market Streets. Built in 1778 and scene of Treaty of Fort McIntosh in 1785; also a survey base. Abandoned 1790-91.

Pa. 68 (3rd St.) at Insurance St., Beaver, PA, United States

Beaver County. Formed March 12, 1800 from Washington and Allegheny counties. The county seat, Beaver, was laid out 1792-93. County's waterways have spurred its industrial growth. At Shippingport was the world's first full-scale atomic power station devoted to civilian needs. (missing)

County Courthouse, at park on 3rd St., Beaver, PA, United States

Matthew S. Quay. Home of the noted state and national political leader is near here. He rose , between 1856-87, from local and state offices to U.S. Senator. A Republican Party leader from 1887 until his death in 1904.

Pa. 68 (3rd St.) at Insurance St., Beaver, PA, United States

King Beaver's Town. Present Beaver perpetuates the name of a Delaware chief and of his village near here. Its location along the Ohio-Beaver River trails gave it importance in the fur trade.

Pa. 68 (3rd St.) at Wilson Ave., Beaver, PA, United States