Ohio River topographic map

The San Francisco Bay Area is characterized by a diverse and dynamic topography shaped by geological processes over millions of years. This region features a combination of coastal plains, steep hills, and rugged mountains, all influenced by the tectonic activity associated with the nearby San Andreas Fault…

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The Black Hills is an isolated mountain range rising from the Great Plains of North America in western South Dakota and extending into Wyoming, United States. Black Elk Peak, which rises to 7,242 feet (2,207 m), is the range's highest summit. The name of the range in Lakota is Pahá Sápa. It encompasses the…

Average elevation: 1,894 m

Baltimore is in north-central Maryland on the Patapsco River close to where it empties into the Chesapeake Bay. The city is also located on the fall line between the Piedmont Plateau and the Atlantic coastal plain, which divides Baltimore into "lower city" and "upper city". The city's elevation ranges from sea…

Average elevation: 65 m

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Average elevation: 407 m

In the 1860s, San Franciscans began to feel the need for a spacious public park similar to Central Park, which was then taking shape in New York City. Golden Gate Park was carved out of unpromising sand and shore dunes that were known as the Outside Lands, in an unincorporated area west of San Francisco's…

Average elevation: 71 m

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Mauna Loa is the largest subaerial and second largest overall volcano in the world (behind Tamu Massif), covering a land area of 5,271 km2 (2,035 sq mi) and spans a maximum width of 120 km (75 mi). Consisting of approximately 65,000 to 80,000 km3 (15,600 to 19,200 cu mi) of solid rock, it makes up more than…

Average elevation: 4,037 m

The core Tug Hill region encompasses 150,000 acres (610 km2) of unbroken, generally second-growth, northern hardwood forest, and is drained by a vast network of streams. Important rivers and streams whose headwaters are located within the Tug Hill region include the Mohawk River, Deer River, Salmon River, Mad…

Average elevation: 109 m

It lies at an elevation of 538 feet (164 m).

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Average elevation: 872 m

The Appalachian Mountains (French: Appalaches), often called the Appalachians, are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They once reached elevations similar to those of the Alps and the Rocky…

Average elevation: 1,463 m

The Appalachian Mountains (French: Appalaches), often called the Appalachians, are a system of mountains in eastern to northeastern North America. The Appalachians first formed roughly 480 million years ago during the Ordovician Period. They once reached elevations similar to those of the Alps and the Rocky…

Average elevation: 1,463 m

Agriculture and forestry are major industries. Agriculture includes dryland and irrigated farming and livestock grazing. Livestock are frequently moved between high-elevation summer pastures and low-elevation winter pastures, a practice known as transhumance.

Average elevation: 2,292 m

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Average elevation: 331 m

Geologically Zion Canyon is part of the Navajo sandstone Colorado Plateau, which contained many joints and cracks when first uplifted, one of which was cut by the North Fork of the Virgin River to become Zion Canyon. The river was the largest force in cutting the canyon, mostly by flash floods, as the average…

Average elevation: 1,821 m

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Although the term "Blue Ridge" is sometimes applied exclusively to the eastern edge or front range of the Appalachian Mountains, the geological definition of the Blue Ridge province extends westward to the Ridge and Valley area, encompassing the Great Smoky Mountains, the Great Balsams, the Roans, the Blacks,…

Average elevation: 461 m

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Offshore, the nutrient-rich and frigid waters of the Pacific enhance the entire marine food web, from primary producers such as algae and zooplankton to apex predators like sand sharks, bottlenose dolphins, and gray whales. Within the Marine Protected Areas (MPAs), the diverse seafloor topography encompasses…

Average elevation: 12 m

Anna Maria Island features a flat, sandy topography typical of a barrier island on the Gulf Coast. With an average elevation of around 15 feet above sea level, the terrain includes broad beaches, low dunes, and narrow stretches of sandy soil, making it highly vulnerable to storm surges and tidal flooding. The…

Average elevation: 2 m

The confluence of the Scioto and Olentangy rivers is just north-west of Downtown Columbus. Several smaller tributaries course through the Columbus metropolitan area, including Alum Creek, Big Walnut Creek, and Darby Creek. Columbus is considered to have relatively flat topography thanks to a large glacier that…

Average elevation: 255 m

Average elevation: 180 m

The city is in the Salt River Valley, or the "Valley of the Sun," in the northern reaches of the Sonoran Desert. Scottsdale, 31 mi (50 km) long and 11.4 mi (18.3 km) wide at its widest point, shares boundaries with many other municipalities and entities. On the west, Scottsdale is bordered by Phoenix, Paradise…

Average elevation: 414 m

El Dorado Hills (EDH), as defined by the 2010 census-designated place (CDP), is at the western border of El Dorado County, between the City of Folsom and the unincorporated community of Cameron Park. The northern limits of the CDP are Folsom Lake and the South Fork of the American River, where river rafters…

Average elevation: 254 m

Atlanta (/ætˈlæntə/ at-LAN-tə) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia. With a population of 498,715 living within the city limits, it is the eighth most populous city in the Southeast and 38th most populous…

Average elevation: 285 m

Average elevation: 827 m

Average elevation: 1,565 m

Average elevation: 451 m

Lynx Lake, Arizona, is a 55-acre (220,000 m2) reservoir located within Prescott National Forest, approximately 5 miles (8.0 km) east of Prescott, Arizona, in the Bradshaw Mountains. The lake is located at 5,530 feet (1,690 m) elevation and is stocked for fishing. It is one of the most popular recreation areas…

Average elevation: 1,726 m

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Timberline Lodge is a National Historic Landmark located on the southern flank of Mount Hood just below Palmer Glacier, with an elevation of about 6,000 ft (1,800 m).

Average elevation: 2,716 m

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Average elevation: 311 m

The Black Hills is an isolated mountain range rising from the Great Plains of North America in western South Dakota and extending into Wyoming, United States. Black Elk Peak, which rises to 7,242 feet (2,207 m), is the range's highest summit. The name of the range in Lakota is Pahá Sápa. It encompasses the…

Average elevation: 1,894 m

Average elevation: 1,068 m

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Average elevation: 102 m

Average elevation: 3,871 m

Despite its elevation of 10,541 feet (3,213 m), Glacier Peak is a small stratovolcano. Its relatively high summit is a consequence of its location atop a high ridge, but its volcanic portion extends only 1,600–3,200 feet (500–1,000 m) above the underlying ridge. Another Cascade Arc volcano with similar…

Average elevation: 2,656 m

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