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Ohio River topographic map

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Ohio River

The river became a primary transportation route for pioneers during the westward expansion of the early U.S. The lower Ohio River just below Louisville was obstructed by rapids known as the Falls of the Ohio where the elevation falls 26 feet (7.9 m) in 2 miles (3.2 km) restricting larger commercial navigation, although in the 18th and early 19th century its three deepest channels could be traversed by a wide variety of craft then in use. In 1830, the Louisville and Portland Canal (now the McAlpine Locks and Dam) bypassed the rapids, allowing even larger commercial and modern navigation from the Forks of the Ohio at Pittsburgh to the Port of New Orleans at the mouth of the Mississippi on the Gulf of Mexico. Since the "canalization" of the river in 1929, the Ohio has not been a natural free-flowing river; today, it is divided into 21 discrete pools or reservoirs by 20 locks and dams for navigation and power generation.

Wikipedia (CC-BY-SA 3.0)

About this map

Name: Ohio River topographic map, elevation, terrain.

Location: Ohio River, United States (36.98350 -89.17727 40.69668 -80.01712)

Average elevation: 293 m

Minimum elevation: 79 m

Maximum elevation: 1,945 m

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Michigan

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California

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Texas

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Washington

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Middle East

United States > Maryland > Baltimore

Average elevation: 29 m

Massachusetts

United States

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Colorado

United States

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West Virginia

United States

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New Jersey

United States

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Georgia

United States

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United States > California

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United States > Texas > Harris County

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Knoxville

United States > Tennessee > Knox County

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South Carolina

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Brooklyn

United States > New York > New York

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Connecticut

United States

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Sarasota

United States > Florida > Sarasota County

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Utah

United States

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United States > Florida > Miami-Dade County

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New York

United States > New York

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Wyoming

United States

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United States > Florida > Duval County

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Hawaii

United States

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Maine

United States

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Alabama

United States

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United States

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United States

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Vermont

United States

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Oklahoma

United States

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New Hampshire

United States

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Folsom

United States > California > Sacramento County

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Mississippi

United States

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New Orleans

United States > Louisiana > Orleans Parish

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Kentucky

United States

Average elevation: 302 m

Indiana

United States

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Boulder

United States > Colorado > Boulder County

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Yosemite National Park

United States > California

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Nevada

United States

Much of the northern part of the state is within the Great Basin, a mild desert that experiences hot temperatures in the summer and cold temperatures in the winter. Occasionally, moisture from the Arizona Monsoon will cause summer thunderstorms; Pacific storms may blanket the area with snow. The state's…

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New Mexico

United States

Over four–fifths of New Mexico is higher than 4,000 feet (1,250 meters) above sea level. The average elevation ranges from up to 8,000 feet (2,500 meters) above sea level in the northwest, to less than 4,000 feet in the southeast. The highest point is Wheeler Peak at over 13,160 feet (4,011 meters) in the…

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Puget Sound

United States > Washington > Edmonds

Average elevation: 0 m

Idaho

United States

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Butler County

United States > Pennsylvania

Average elevation: 376 m

Illinois

United States

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Seattle

United States > Washington > King County

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Vieques

United States > Puerto Rico

Average elevation: 5 m

Long Island

United States > New York

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Taos

United States > New Mexico > Taos County

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Yakima County

United States > Washington

Average elevation: 879 m

Key West

United States > Florida > Monroe County

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Average elevation: 1 m

Santa Fe

United States > New Mexico > Santa Fe County

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South Dakota

United States

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Erie County

United States > Pennsylvania

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Average elevation: 248 m

Riverside County

United States > California

Average elevation: 538 m

Albuquerque

United States > New Mexico > Bernalillo County

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Provo

United States > Utah > Utah County

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Average elevation: 1,728 m

Montana

United States

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Nassau County

United States > New York

Average elevation: 18 m

Appalachian Mountains

United States > North Carolina > Yancey County

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College Station

United States > Texas > Brazos County

Average elevation: 87 m

Rhode Island

United States

Rhode Island covers an area of 1,214 square miles (3,144 km2) within the New England region of the Northeastern United States and is bordered on the north and east by Massachusetts, on the west by Connecticut, and on the south by Rhode Island Sound and the Atlantic Ocean. It shares a narrow maritime border…

Average elevation: 53 m

Chautauqua County

United States > New York

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Average elevation: 328 m

Staten Island

United States > New York > New York

Although Staten Island is a borough of New York City, the island is topographically and geologically a part of New Jersey. Staten Island is separated from Long Island by the Narrows and from mainland New Jersey by the Arthur Kill and the Kill Van Kull. Staten Island is positioned at the center of New York…

Average elevation: 9 m

Denton County

United States > Texas

Average elevation: 202 m

Queens County

United States > New York > New York

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Average elevation: 11 m

Arkansas

United States

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Iowa

United States

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Cookeville

United States > Tennessee > Putnam County

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Average elevation: 332 m

Bentonville

United States > Arkansas > Benton County

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Yuma

United States > Arizona > Yuma County

Average elevation: 69 m

Shreveport

United States > Louisiana > Caddo Parish

Shreveport is the parish seat of Caddo Parish. Portions of the city extend into neighboring Bossier Parish, bordering Bossier City. Shreveport sits on a low elevation overlooking the Red River. Western and northern portions of Shreveport have an elevation over 253 feet (77 m) above sea level. Pine forests,…

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King County

United States > Washington

Average elevation: 569 m

Walworth County

United States > Wisconsin

Average elevation: 282 m

Polk County

United States > Florida

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Average elevation: 33 m

Kitsap County

United States > Washington

Average elevation: 138 m

Mississippi River

United States

The uppermost lock and dam on the Upper Mississippi River is the Upper St. Anthony Falls Lock and Dam in Minneapolis. Above the dam, the river's elevation is 799 feet (244 m). Below the dam, the river's elevation is 750 feet (230 m). This 49-foot (15 m) drop is the largest of all the Mississippi River locks…

Average elevation: 344 m

Rancho Palos Verdes

United States > California

Average elevation: 52 m

Palm Springs

United States > California > Riverside County

One possible origin of palm in the place name comes from early Spanish explorers who referred to the area as La Palma de la Mano de Dios or "The Palm of God's hand". The earliest use of the name "Palm Springs" is from United States Topographical Engineers who used the term in 1853 maps. According to William…

Average elevation: 859 m

Oswego County

United States > New York

Average elevation: 180 m

Santa Barbara

United States > California > Santa Barbara County

Annual rainfall totals are highly variable and in exceptional years like 1940–1941 and 1997–1998 over 40 inches (1.0 m) of rain have fallen in a year, but in dry seasons less than 6 inches (150 mm) is not unheard of. Snow sometimes covers higher elevations of the Santa Ynez Mountains but is extremely rare…

Average elevation: 119 m

Honolulu

United States > Hawaii > Honolulu County

Average elevation: 90 m

Santa Clarita

United States > California > Los Angeles County

The official elevation of the city is 1,207 feet (368 m), the elevation of the historic Newhall Airport which was northwest of Via Princessa and Railroad Avenue from the 1930s through the 1950s. Elevation varies substantially throughout the city. The lowest point in Santa Clarita is near the junction of CA-126…

Average elevation: 514 m

Worcester

United States > Massachusetts > Worcester County

Worcester is known for being particularly snowy in the cold months, sometimes even experiencing autumn blizzards. The city averages 48.1 inches (1,220 mm) of precipitation a year, as well as an average of 72.9 inches (185 cm) of snowfall a season, receiving far more snow than coastal locations less than 40…

Average elevation: 186 m

Husanax

United States > Alaska > Unorganized Borough

Average elevation: 1 m

Bly Gap

United States > North Carolina > Clay County

Average elevation: 1,060 m

Roan Mountain

United States > Tennessee > Carter County

Roan Mountain is located in northeast Tennessee at 36°11′39″N 82°4′6″W / 36.19417°N 82.06833°W / 36.19417; -82.06833 (36.194219, -82.068417). According to the United States Census Bureau, the CDP has a total area of 6.6 square miles (17.2 km2), all land. The elevation of Roan Mountain near…

Average elevation: 926 m

Athens County

United States > Ohio

Average elevation: 253 m

Frederick County

United States > Maryland

Average elevation: 186 m