Etna Furnace (Boundary Decrease)

Blair County, Pennsylvania, has a rich history dating back to the 18th century. The county was originally inhabited by Native American tribes, including the Lenape and Shawnee, who relied on the land's lush forests and fertile valleys for their livelihoods. In the mid-1700s, European settlers arrived and began to establish communities in the area.

The county's name honors John Blair, a prominent jurist and one of the first Supreme Court justices. It was officially formed in 1846, encompassing land that was previously part of neighboring Huntingdon County. The county's central location made it an important transportation hub, with the Pennsylvania Main Line Canal and the Pennsylvania Railroad passing through its territory.

The 19th century saw significant growth and development in Blair County. The discovery of coal and iron ore in the region led to the establishment of numerous mining and manufacturing industries. The growth of the railroad system contributed to the county's economic prosperity, as goods and products were easily transported to other parts of the country.

Blair County also played an important role in the nation's history during the Civil War. The county mustered a large number of soldiers to fight for the Union, and several notable military leaders hailed from the area. The Battle of Gettysburg, which took place a short distance from Blair County, had a significant impact on the region, with many local soldiers participating in the battle.

Today, Blair County is a thriving community with a diverse economy. It is known for its natural beauty, with the Allegheny Mountains providing a scenic backdrop. The county attracts visitors with its outdoor recreational opportunities, including hiking, fishing, and hunting. While the industrial sector has declined, new industries such as healthcare, education, and tourism have emerged, contributing to the county's continued growth and development.