Mississippi River topographic map

Economic prosperity in the 1920s stimulated tourism to Florida and related development of hotels and resort communities. Combined with its sudden elevation in profile was the Florida land boom of the 1920s, which brought a brief period of intense land development. In 1925, the Seaboard Air Line broke the FEC's…

Average elevation: 6 m

Thirty days later on February 28, 1861, outgoing U.S. President James Buchanan signed an Act of Congress organizing the free Territory of Colorado. The original boundaries of Colorado remain unchanged except for government survey amendments. The name Colorado was chosen because it was commonly believed that…

Average elevation: 2,060 m

Washington is the 18th-largest state, with an area of 71,362 square miles (184,830 km2), and the 13th-most populous state, with more than 7.7 million people. The majority of Washington's residents live in the Seattle metropolitan area, the center of transportation, business, and industry on Puget Sound, an…

Average elevation: 796 m

With 10 climatic regions, 14 soil regions and 11 distinct ecological regions, regional classification becomes problematic with differences in soils, topography, geology, rainfall, and plant and animal communities. One classification system divides Texas, in order from southeast to west, into the following:…

Average elevation: 518 m

California's mountains produce rain shadows on the eastern side, creating extensive deserts. The higher elevation deserts of eastern California have hot summers and cold winters, while the low deserts east of the Southern California mountains have hot summers and nearly frostless mild winters. Death Valley, a…

Average elevation: 929 m

The heavily forested Upper Peninsula is relatively mountainous in the west. The Porcupine Mountains, which are part of one of the oldest mountain chains in the world, rise to an altitude of almost 2,000 feet (610 m) above sea level and form the watershed between the streams flowing into Lake Superior and Lake…

Average elevation: 259 m

North Carolina is defined by a wide range of elevations and landscapes. From west to east, North Carolina's elevation descends from the Appalachian Mountains to the Piedmont and Atlantic coastal plain. North Carolina's Mount Mitchell at 6,684 feet (2,037 m) is the highest point in North America east of the…

Average elevation: 163 m

Pennsylvania's diverse topography also produces a variety of climates, though the entire state experiences cold winters and humid summers. Straddling two major zones, the majority of the state, except for the southeastern corner, has a humid continental climate (Köppen climate classification Dfb). The…

Average elevation: 340 m

Tennessee has diverse terrain and landforms, and from east to west, contains a mix of cultural features characteristic of Appalachia, the Upland South, and the Deep South. The Blue Ridge Mountains along the eastern border reach some of the highest elevations in eastern North America, and the Cumberland Plateau…

Average elevation: 233 m

Average elevation: 241 m

Though Illinois lies entirely in the Interior Plains, it does have some minor variation in its elevation. In extreme northwestern Illinois, the Driftless Area, a region of unglaciated and therefore higher and more rugged topography, occupies a small part of the state. Southern Illinois includes the hilly areas…

Average elevation: 213 m

Much of the city was built on forested land, marshes, or swamps, and all are still visible in surrounding areas. Flat terrain and extensive greenfield development have combined to worsen flooding. Downtown stands about 50 feet (15 m) above sea level, and the highest point in far northwest Houston is about 150…

Average elevation: 25 m

High Point in Montague Township, Sussex County is the state's highest elevation at 1,803 feet (550 m) above sea level. The state's highest prominence is Kitty Ann Mountain in Morris County, rising 892 feet (272 m). The Palisades are a line of steep cliffs on the west side of the Hudson River in Bergen and…

Average elevation: 72 m

The Atlantic Coastal plain consists of sediments and sedimentary rocks that range in age from Cretaceous to Present. The terrain is relatively flat and the soil is composed predominantly of sand, silt, and clay. Areas with better drainage make excellent farmland, though some land is swampy. An unusual feature…

Average elevation: 85 m

The topography and climate make sections of Vermont subject to large-scale flooding. Incidents include the Great Vermont Flood of 1927, which killed 84 and damaged much of the state's infrastructure, the flood of 1973, which covered many of the state's roads in the southeast, and Tropical Storm Irene in 2011,…

Average elevation: 348 m

West Virginia is located entirely within the Appalachian Region, and the state is almost entirely mountainous, giving the reason for the nickname The Mountain State and the motto Montani Semper Liberi ("Mountaineers are always free"). The elevations and ruggedness drop near large rivers like the Ohio River or…

Average elevation: 430 m

Despite its small size, Massachusetts features numerous topographically distinctive regions. The large coastal plain of the Atlantic Ocean in the eastern section of the state contains Greater Boston, along with most of the state's population, as well as the distinctive Cape Cod peninsula. To the west lies the…

Average elevation: 128 m

Winters (December through mid-March) are generally cold from south to north in Connecticut. The coldest month (January) has average high temperatures ranging from 38 °F (3 °C) in the coastal lowlands to 33 °F (1 °C) in the inland and northern portions on the state. The lowest temperature recorded in…

Average elevation: 118 m

Mississippi is entirely composed of lowlands, the highest point being Woodall Mountain, at 807 ft (246 m) above sea level, in the northeastern part of the state. The lowest point is sea level at the Gulf Coast. The state's mean elevation is 300 ft (91 m) above sea level.

Average elevation: 74 m

Georgia is defined by a diversity of landscapes, flora, and fauna. The state's northernmost regions include the Blue Ridge Mountains, part of the larger Appalachian Mountain system. The Piedmont plateau extends from the foothills of the Blue Ridge south to the Fall Line, an escarpment to the Coastal Plain…

Average elevation: 136 m

Spokane is located on the Spokane River in eastern Washington at an elevation of 1,843 feet (562 m) above sea level, about 18 miles (29 km) from Idaho, 92 miles (148 km) south of the Canadian border, 229 miles (369 km) due east of Seattle, and 279 miles (449 km) southwest of Calgary. The lowest elevation in…

Average elevation: 655 m

Hawaiʻi has a tropical climate. Temperatures and humidity tend to be less extreme because of near-constant trade winds from the east. Summer highs usually reach around 88 °F (31 °C) during the day, with the temperature reaching a low of 75 °F (24 °C) at night. Winter day temperatures are usually around 83…

Average elevation: 2 m

Average elevation: 89 m

Average elevation: 9 m

The city's land has been altered substantially by human intervention, with considerable land reclamation along the waterfronts since Dutch colonial times; reclamation is most prominent in Lower Manhattan, with developments such as Battery Park City in the 1970s and 1980s. Some of the natural relief in…

Average elevation: 19 m

Western Utah is mostly arid desert with a basin and range topography. Small mountain ranges and rugged terrain punctuate the landscape. The Bonneville Salt Flats are an exception, being comparatively flat as a result of once forming the bed of ancient Lake Bonneville. Great Salt Lake, Utah Lake, Sevier Lake,…

Average elevation: 1,876 m

Wyoming's western half is covered mostly by the ranges and rangelands of the Rocky Mountains, while the eastern half of the state is high-elevation prairie called the High Plains. It is drier and windier than the rest of the country, being split between semi-arid and continental climates with greater…

Average elevation: 1,938 m

The higher and contiguous hill lands of the north and northwestern part of the state have an area of more than 25,000 square miles (65,000 km2). They consist of prairie and woodlands. The elevations above sea level range from 10 feet (3 m) at the coast and swamp lands to 50–60 feet (15–18 m) at the prairie…

Average elevation: 39 m

Alabama is bordered by the states of Tennessee to the north, Georgia to the east, Florida to the south, and Mississippi to the west. Alabama has coastline at the Gulf of Mexico, in the extreme southern edge of the state. The state ranges in elevation from sea level at Mobile Bay to more than 2,000 feet (610 m)…

Average elevation: 136 m

The state's high point is Eagle Mountain at 2,301 feet (701 m), which is only 13 miles (21 km) away from the low point of 601 feet (183 m) at the shore of Lake Superior. Notwithstanding dramatic local differences in elevation, much of the state is a gently rolling peneplain.

Average elevation: 378 m

Many lakes border the river in the lowlands near Ridgefield, including Vancouver Lake. Eastern and northern Clark County contain forested foothills of the Cascade Mountains, rising to an elevation of 4,000 feet (1,200 m) on the border with Skamania County. Larch Mountain is the county's highest free-standing…

Average elevation: 266 m

Average daytime highs are in the mid 70s°F to low 80s°F (24–28 °C) throughout the state in July, with overnight lows in the mid 50s°F to low 60s°F (13–15 °C). January temperatures range from an average high of 34 °F (1 °C) on the coast to overnight lows below 0 °F (−18 °C) in the far north and…

Average elevation: 293 m

Geologists describe this type of landscape as a "drowned coast", where a rising sea level has invaded former land features, creating bays out of valleys and islands out of mountain tops. A rise in land elevation due to the melting of heavy glacier ice caused a slight rebounding effect of underlying rock; this…

Average elevation: 198 m

The semi-arid high plains in the state's northwestern corner harbor few natural forests; the region has a rolling to flat landscape with intermittent canyons and mesa ranges like the Glass Mountains. Partial plains interrupted by small, sky island mountain ranges like the Antelope Hills and the Wichita…

Average elevation: 408 m

Iowa can be divided into eight landforms based on glaciation, soils, topography, and river drainage. Loess hills lie along the western border of the state, some of which are several hundred feet thick. Northeast Iowa along the Upper Mississippi River is part of the Driftless Area, consisting of steep hills and…

Average elevation: 316 m

The average altitude of Indiana is about 760 feet (230 m) above sea level. The highest point in the state is Hoosier Hill in Wayne County at 1,257 feet (383 m) above sea level. The lowest point at 320 feet (98 m) above sea level is in Posey County, where the Wabash River meets the Ohio River. The resulting…

Average elevation: 226 m

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…

Average elevation: 1,475 m

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…

Average elevation: 1,687 m

Located in north-central New Mexico, Albuquerque serves as the county seat of Bernalillo County. To its east are the Sandia–Manzano Mountains, Rio Grande flows north to south through its center, while the West Mesa and Petroglyph National Monument make up the western part of the city. Albuquerque has one of…

Average elevation: 1,688 m

Just south of Jacksonville and north of Saint Augustine is the boundary of where the Floridian Peninsula ends and Continental North America begins; Jacksonville is north of that line. While still in the North American Coastal plain, the topography begins to take on slight Piedmont characteristics. Like the…

Average elevation: 10 m

Average elevation: 158 m

Idaho's climate varies widely. Although the state's western border is about 330 miles (530 km) from the Pacific Ocean, the maritime influence is still felt in Idaho; especially, in the winter when cloud cover, humidity, and precipitation are at their maximum extent. This influence has a moderating effect in…

Average elevation: 1,533 m

Nashville lies on the Cumberland River in the northwestern portion of the Nashville Basin. Nashville's elevation ranges from its lowest point, 385 feet (117 m) above sea level at the Cumberland River, to its highest point, 1,163 feet (354 m) above sea level in the Radnor Lake State Natural Area. Nashville also…

Average elevation: 184 m

Average elevation: 29 m

The Hudson then flows south, taking in Beaver Brook and the outlet of Lake Harris. After its confluence with the Indian River, the Hudson forms the boundary between Essex and Hamilton counties. In the hamlet of North River, the Hudson flows entirely in Warren County and takes in the Schroon River. Further…

Average elevation: 297 m

Average elevation: 109 m

Boston has an area of 89.63 sq mi (232.1 km2)—48.4 sq mi (125.4 km2) (54%) of land and41.2 sq mi (106.7 km2) (46%) of water. The city's official elevation, as measured at Logan International Airport, is 19 ft (5.8 m) above sea level. The highest point in Boston is Bellevue Hill at 330 ft (100 m) above sea…

Average elevation: 25 m

Average elevation: 10 m

Average elevation: 5 m

Average elevation: 218 m

In June 1856, Fernando Wood appointed a "consulting board" of seven people, headed by author Washington Irving, to inspire public confidence in the proposed development. Wood hired military engineer Egbert Ludovicus Viele as the park's chief engineer, tasking him with a topographical survey of the site. The…

Average elevation: 26 m

Average elevation: 879 m

The Bronx's highest elevation at 280 feet (85 m) is in the northwest corner, west of Van Cortlandt Park and in the Chapel Farm area near the Riverdale Country School. The opposite (southeastern) side of the Bronx has four large low peninsulas or "necks" of low-lying land that jut into the waters of the East…

Average elevation: 21 m

Marco Island is the largest barrier island within Southwest Florida's Ten Thousand Islands area extending southerly to Cape Sable. Parts of the island have some scenic, high elevations relative to the generally flat south Florida landscape. The island has a tropical climate; specifically a tropical wet and dry…

Average elevation: 2 m

Indianapolis is within the Tipton Till Plain, a flat to gently sloping terrain underlain by glacial deposits known as till. The lowest point in the city is about 650 feet (198 m) above mean sea level, with the highest natural elevation at about 900 feet (274 m) above sea level. Few hills or short ridges, known…

Average elevation: 241 m

Average elevation: 11 m

Average elevation: 271 m

Average elevation: 435 m

Castle Rock is located at 39°22′20″N 104°51′22″W / 39.37222°N 104.85611°W / 39.37222; -104.85611 (39.372212, −104.856090) at an elevation of 6,224 feet (1,897 m). Castle Rock is in central Colorado at the junction of Interstate 25 and State Highway 86, 28 mi (45 km) south of downtown…

Average elevation: 1,952 m

The land to the south of this moraine to the South Shore is the outwash plain of the last glacier. One part of the outwash plain was known as the Hempstead Plains, and this land contained one of the few natural prairies to exist east of the Appalachian Mountains. The glaciers melted and receded to the north,…

Average elevation: 42 m

Average elevation: 660 m

Allegheny has a humid continental climate which is hot-summer, (Dfa) except in higher elevations, where it is warm-summer (Dfb).

Average elevation: 325 m

The county has 31 municipalities (including 24 incorporated cities) and many unincorporated areas. It's also Florida's seventh-largest county in terms of land area, with 1,322.8 square miles (3,426 km2). Broward County's urbanized area occupies 427.8 square miles of land. The largest portion of the county is…

Average elevation: 5 m

Many of the village street grids of Queens had only worded names, some were numbered according to local numbering schemes, and some had a mix of words and numbers. In the early 1920s, a "Philadelphia Plan" was instituted to overlay one numbered system upon the whole borough. The Topographical Bureau, Borough…

Average elevation: 11 m

By 1900, 7,531 people lived in Tucson. By 1910, the population increased to 13,913. At about this time, the U.S. Veterans Administration had begun construction of the present Veterans Hospital. The city's clean, dry air made it a destination for the many veterans who had been gassed in World War I and needed…

Average elevation: 822 m

Average elevation: 147 m

The official elevation is 30 feet (9 m) above sea level, but the city boundaries reach well into the peninsula hills.

Average elevation: 186 m

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

Arkansas's plant life varies with its climate and elevation. The pine belt stretching from the Arkansas delta to Texas consists of dense oak-hickory-pine growth. Lumbering and paper milling activity is active throughout the region. In eastern Arkansas, one can find Taxodium (cypress), Quercus nigra (water…

Average elevation: 156 m

Average elevation: 212 m

Somerville's commercial property is not concentrated in a recognized downtown central business district but instead is spread over many different nodes or corridors of business activity. The difference in character ranges from the vibrant nightlife, live music and theaters of Davis Square to the large scale…

Average elevation: 11 m

Average elevation: 569 m

Average elevation: 0 m

Average elevation: 20 m

Elevations in the park range from about 875 feet (267 m) to 6,643 feet (2,025 m) at the summit of Clingmans Dome. Within the park a total of sixteen mountains reach higher than 5,000 feet (1,520 m).

Average elevation: 765 m

Average elevation: 221 m

Average elevation: 264 m

Average elevation: 63 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

Average elevation: 52 m

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

Average elevation: 15 m

The city itself is hilly, though not uniformly so. Like Rome, the city is said to lie on seven hills; the lists vary but typically include Capitol Hill, First Hill, West Seattle, Beacon Hill, Queen Anne, Magnolia, and the former Denny Hill. The Wallingford, Delridge, Mount Baker, Seward Park, Washington Park,…

Average elevation: 40 m

Average elevation: 302 m

Provo lies in the Utah Valley at an elevation of 4,549 feet (1,387 m). According to the United States Census Bureau, the city has an area of 44.2 square miles (114.4 km2), of which 41.7 square miles (107.9 km2) is land and 2.5 square miles (6.5 km2), or 5.66%, is water.

Average elevation: 1,728 m

According to the United States Census Bureau, the city has a total area of 144.6 square miles (374.4 km2), of which 137.1 square miles (355.2 km2) are land and 7.4 square miles (19.2 km2), or 5.12%, are water. The most prominent natural features in and around Chattanooga are the Tennessee River and the…

Average elevation: 331 m

Black Elk Peak, formerly named Harney Peak, with an elevation of 7,242 ft (2,207 m), is the state's highest point, while the shoreline of Big Stone Lake is the lowest, with an elevation of 966 ft (294 m). South Dakota is bordered to the north by North Dakota; to the south by Nebraska; to the east by Iowa and…

Average elevation: 717 m

Average elevation: 22 m

In the summertime, many valley residents of the Wasatch Front visit the town to escape high temperatures. Park City is usually cooler than Salt Lake City as it lies mostly higher than 7,000 feet (2,100 m) above sea level, while Salt Lake City is situated at an elevation of about 4,300 feet (1,300 m).

Average elevation: 2,290 m

Average elevation: 136 m

Average elevation: 7 m

The state's topography is roughly defined by the Continental Divide, which splits much of the state into distinct eastern and western regions. Most of Montana's hundred or more named mountain ranges are in the state's western half, most of which is geologically and geographically part of the northern Rocky…

Average elevation: 1,357 m

Average elevation: 98 m

Delaware is on a level plain, with the lowest mean elevation of any state in the nation. Its highest elevation, located at Ebright Azimuth, near Concord High School, is less than 450 feet (140 m) above sea level. The northernmost part of the state is part of the Piedmont Plateau with hills and rolling surfaces.

Average elevation: 16 m

Average elevation: 65 m

Average elevation: 153 m

Tropical cyclones present special dangers and challenges to the entire Keys. Because no area of the islands is more than 20 feet (6.1 m) above sea level (and many are only a few feet elevation), and water surrounds the islands, nearly every neighborhood is subject to flooding as well as hurricane winds. In…

Average elevation: 0 m

Average elevation: 140 m

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

Watauga County is extremely mountainous, and all of the county's terrain is located within the Appalachian Mountains range. The highest point in the county is Calloway Peak, the highest peak of Grandfather Mountain (shared with the adjacent counties of Avery and Caldwell), which rises to 5,964 feet (1,818…

Average elevation: 984 m