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Chapter 1 Section 2

Chapter 1 Section 2. Water forms of PA. I. Rivers and Tributary Systems. 3 major river systems The Allegheny Western PA Actually consists of 3 major rivers The Allegheny The Ohio The Monongahela Major rivers of commerce The Susquehanna Northeastern PA Starts in NY

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Chapter 1 Section 2

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  1. Chapter 1 Section 2 Water forms of PA

  2. I. Rivers and Tributary Systems • 3 major river systems • The Allegheny • Western PA • Actually consists of 3 major rivers • The Allegheny • The Ohio • The Monongahela • Major rivers of commerce • The Susquehanna • Northeastern PA • Starts in NY • Flows south through the entire state of PA • Too shallow for boats to travel on  • The Delaware • Eastern PA • Forms a natural border with New Jersey • Philadelphia • Located on the Delaware • Major deep water port

  3. II. Lakes and Wetlands • Lakes • There are more than 2000 small lakes in PA • Most were created by glaciers • Biggest Lakes in PA • Pymatuning Reservoir • Raystown Lake • Lake Wallenpaupack • Wetlands • Lowland areas, such as marshy or swampy places that hold moisture • Excellent habitats for wildlife

  4. III. Reservoirs and Dams • Reservoirs • A natural or artificial pond or lake used for the storage and regulation of water • Dams • Help regulate the flow of water • Also provide Hydro electrics • There are 1564 Dams in PA • Largest • Kinzua Dam • Alleghany National Forest • Statistics • Type of structure:  Concrete dam and earth embankment • Height above streambed, feet • 179 • Length, feet   • 1,877 • Concrete section – 778.5 feet; earth embankment – 1,098.5 feet • Width at base, feet • 1,245 • concrete section – 195 feet; earth embankment – 1,050 feet • Volume of earth fill, cubic yards • 3,000,000 • Volume of concrete, cubic yards • 500,000

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