Pennsylvania 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

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

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

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

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

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

Average elevation: 241 m

Average elevation: 29 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

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

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

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

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

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

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

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

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

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

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

Average elevation: 9 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

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

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

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 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

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

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

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: 10 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

Average elevation: 11 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

Founded in 1718 by French colonists, New Orleans was once the territorial capital of French Louisiana before becoming part of the United States in the Louisiana Purchase of 1803. New Orleans in 1840 was the third most populous city in the United States, and it was the largest city in the American South from…

Average elevation: 1 m

Average elevation: 89 m

Kauaʻi's climate is tropical, with generally humid and stable conditions year-round, although weather phenomena and infrequent storms have caused instances of extreme weather. At the lower elevations, the annual precipitation varies from an average of about 50 in (130 cm) on the windward (northeastern) shore…

Average elevation: 216 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

Average elevation: 158 m

Average elevation: 1,053 m

Average elevation: 302 m

Average elevation: 7 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

The geology of the Yosemite area is characterized by granite rocks and remnants of older rock. About 10 million years ago, the Sierra Nevada was uplifted and tilted to form its unique slopes, which increased the steepness of stream and river beds, resulting in the formation of deep, narrow canyons. About one…

Average elevation: 2,337 m

Average elevation: 87 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

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

At the 2020 United States Census, the town had a total area of 6.047 square miles (15.661 km2), all of it land. The ski area has a total area of 2,880 acres (11.7 km2) of land. The elevation of Breckenridge is 9,600 feet (2,900 m) above sea level.

Average elevation: 3,072 m

Average elevation: 31 m

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

Nebraska is composed of two major land regions: the Dissected Till Plains and the Great Plains. The easternmost portion of the state was scoured by Ice Age glaciers; the Dissected Till Plains were left after the glaciers retreated. The Dissected Till Plains is a region of gently rolling hills; Omaha and…

Average elevation: 747 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

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

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

Miami and its suburbs are located on a broad plain between the Everglades to the west and Biscayne Bay to the east, which extends from Lake Okeechobee southward to Florida Bay. The elevation of the area averages at around 6 ft (1.8 m) above sea level in most neighborhoods, especially near the coast. The…

Average elevation: 5 m

Average elevation: 4 m

The city is sometimes described as The City of Four Lakes, comprising the four successive lakes of the Yahara River: Lake Mendota ("Fourth Lake"), Lake Monona ("Third Lake"), Lake Waubesa ("Second Lake") and Lake Kegonsa ("First Lake"), although Waubesa and Kegonsa are not actually in Madison, but just south…

Average elevation: 284 m

Average elevation: 98 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

Most of the county has a warm-summer humid continental climate (Dfb), except at lower elevations near enough to the lake, where a hot-summer humid continental climate (Dfa) exists. Average monthly temperatures in downtown Erie range from 26.4 °F in January to 70.8 °F in July, while in Corry they range from…

Average elevation: 248 m

Average elevation: 0 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

Average elevation: 498 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

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: 90 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

Average elevation: 18 m

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

According to the United States Census Bureau, the city has a total area of 104.2 square miles (269.8 km2), of which 98.5 square miles (255.2 km2) is land and 5.6 square miles (14.6 km2), or 5.42%, is water. Elevations range from just over 800 feet (240 m) along the riverfront to just over 1,000 feet (300 m) on…

Average elevation: 307 m

Average elevation: 52 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

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

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

Boise (locally /ˈbɔɪsi/ BOY-see) is the capital and most populous city of the U.S. state of Idaho and is the county seat of Ada County. As of the 2020 census, there were 235,684 people residing in the city. On the Boise River in southwestern Idaho, it is 41 miles (66 km) east of the Oregon border and 110…

Average elevation: 1,040 m

Joshua Tree National Park is an American national park in southeastern California, east of San Bernardino and Los Angeles and north of Palm Springs. It is named after the Joshua trees (Yucca brevifolia) native to the Mojave Desert. Originally declared a national monument in 1936, Joshua Tree was redesignated…

Average elevation: 639 m

Average elevation: 3 m

Average elevation: 199 m

Lafayette lies approximately 135 miles (217 km) from New Orleans, 59 miles (95 km) from the state capital of Baton Rouge, 75 miles (121 km) from Lake Charles, and 89 miles (143 km) from Alexandria. The city has an elevation ranging from 36 feet (11.0 m) to 49 feet (15 m) above sea level. According to the…

Average elevation: 11 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

Average elevation: 133 m

Average elevation: 5 m

The Malibu Coast lies on the fringe of an extensive chaparral and woodland wilderness area, the Santa Monica Mountains National Recreation Area. Various environmental elements collectively create a recipe for natural disasters: the mountainous and geologically unstable terrain; seasonal rainstorms that result…

Average elevation: 144 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

Average elevation: 952 m

Average elevation: 215 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: 66 m

According to the United States Census Bureau, the city has a total area of 180.1 square miles (466 km2), with 139.5 square miles (361 km2) of it being land, and 40.6 square miles (105.2 km2), or 22.5% of the total, being covered by water. The elevation in Mobile ranges from 10 feet (3 m) on Water Street in…

Average elevation: 16 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

Boulder is located at the base of the foothills of the Rocky Mountains, at an elevation of 5,430 feet (1,655 m) above sea level. Boulder is 25 miles (40 km) northwest of the Colorado state capital of Denver. It is home of the main campus of the University of Colorado, the state's largest university.

Average elevation: 1,800 m

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

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

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: 26 m

Average elevation: 298 m

Average elevation: 94 m

Average elevation: 95 m

Average elevation: 241 m

Average elevation: 57 m