Rosston Eddy Marina
The Allegheny River
A Brief History

The Allegheny River begins as a spring in a of
miles east of the little town of Colesburg,
Pennsylvania, and nine miles from Coudersport,
Pennsylvania, in the upper Appalachian marker
erected by the Pennsylvania Historical and
Museum Commission marks the spot.
The river starts its long journey flowing
from Colesburg, then west to Couderspot,
before turning north, making a large
U-shape loop and entering the state of
New York. It flows passed the city of
Salamanca, New York. Just west of
Warren, Pennsylvania
From there it turns southward through second-growth forests. On its way south the river
drains most of the highland streams north and east of Pittsburgh. It runs through scenic
joins the Monongahela at Pittsburgh's Point State Park to
form the 981-mile-long Ohio River. At Cairo, Ill.  it flows into the mighty Mississippi River.
Many explorers and settlers traveled the Allegheny
during the colonial period. The French named the
Allegheny and Ohio rivers, which they considered as one
river, La Belle Riviere -- The Beautiful River.

Following the American Revolution, the Allegheny carried
northern forests. After Edwin Drake's first well near
Titusville on Oil Creek began the oil boom in 1859, most of
Titusville on Oil Creek began the oil boom in 1859, most of
the nation's petroleum came downriver until that
industry's decline in the 1880s.
The Corps constructed eight locks and dams on the Allegheny in the 1920s and 1930s. They
guarantee a minimum 9-foot navigation channel for 72 miles from Pittsburgh to East Brady,
Several flood control projects lie farther upstream on the river and its tributaries. One of
these flood control projects is the Kinzua Dam and Allegheny Reservoir near Warren,
Pennsylvania. Another is Conemaugh River Lake located below Johnstown, Pennsylvania, on
form of local flood protection ice control structures.

The valley, for the most part, supports only limited industry. The river has become cleaner
in recent years due to environmental control monitored by the U.S. Environmental
Protection Agency, and supporting efforts by other federal and state agencies including
the U.S. Army Corps of Engineers.
The logging industry suffered from irresponsible
cutting some years later. However, it is making a
significant return in northern Pennsylvania.
During all this time travelers and shippers had used the stream as nature had made it:
shallow, and subject to drought, floods and ice jams. During some spring thaws the
massive ice jams pushed so far down the Ohio that noticeable chunks reached the
Mississippi River.

The government originally built two locks and dams near the mouth of the river from
1898-1908. However, lengthy quarrels about who should pay to raise the bridges, which
were obstructing traffic on the Allegheny, delayed completion of the work until after the
passage of legislation in 1917.
The Allegheny River flows through open country
with postcard scenery and good fishing.