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

Average elevation: 241 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

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

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

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

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

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

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

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

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 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

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

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

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

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 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

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

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

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

Average elevation: 11 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

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

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

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

Average elevation: 5 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

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

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

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: 126 m

Average elevation: 9 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 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

Average elevation: 138 m

Average elevation: 4 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

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 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

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

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

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

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

Average elevation: 10 m

Average elevation: 302 m

The city slopes gently from the northwest to southeast on a till plain composed largely of glacial and lake clay. The most notable topographical feature in the city is the Detroit Moraine, a broad clay ridge on which the older portions of Detroit and Windsor are located, rising approximately 62 feet (19 m)…

Average elevation: 187 m

Average elevation: 218 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: 187 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

According to the United States Census Bureau, the city has a total area of 497 square miles (1,290 km2), of which 249 square miles (640 km2) is land and 248 square miles (640 km2) (49.9%) is water. It is the largest city in Virginia by total area and third-largest city land area. The average elevation is 12…

Average elevation: 2 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

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: 282 m

The county is generally composed of rolling hills and valleys, with elevations ranging anywhere between 1100 and 2100 feet, although the land within a few miles of Lake Erie is generally flat and at an elevation of 1000 feet or lower. The lowest point in the county is Lake Erie, at 571 feet (174 meters), and…

Average elevation: 328 m

Average elevation: 264 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

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: 11 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 lies in the Piedmont region, with rolling hills and deep stream valleys such as Difficult Run and its tributaries. West of Route 28, the hills give way to a flat, gentle valley that stretches west to the Bull Run Mountains in Loudoun County. Elevations in the county range from near sea level…

Average elevation: 75 m

Average elevation: 18 m

Average elevation: 7 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

When Chicago was founded in 1837, most of the early building was around the mouth of the Chicago River, as can be seen on a map of the city's original 58 blocks. The overall grade of the city's central, built-up areas is relatively consistent with the natural flatness of its overall natural geography,…

Average elevation: 182 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

Average elevation: 186 m

Average elevation: 3 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: 285 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

Henderson is a city in Clark County, Nevada, United States, about 16 miles (26 km) southeast of downtown Las Vegas. It is the second largest city in Nevada, after Las Vegas, with an estimated population of 320,189 in 2019. The city is part of the Las Vegas Valley. Henderson occupies the southeastern end of the…

Average elevation: 691 m

Average elevation: 158 m

Sonoma County, as is often the case with coastal counties in California, has a great degree of climatic variation and numerous, often very different, microclimates. Key determining factors for local climate are proximity to the ocean, elevation, and the presence and elevation of hills or mountains to the east…

Average elevation: 210 m

Average elevation: 264 m

According to the United States Census Bureau, the city has an area of 26.6 square miles (69.0 km2), all land. Elevations in the city range from about 4,300 to 5,000 feet (1,300 to 1,500 m) above sea level.

Average elevation: 1,498 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

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: 9 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: 569 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

According to the U.S. Census Bureau, the county has an area of 918 square miles (2,380 km2), of which 762 square miles (1,970 km2) is land and 156 square miles (400 km2) (17.0%) is water. The topography is coastal plain; however there are some rolling hills.

Average elevation: 11 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

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: 587 m

Average elevation: 10 m

Average elevation: 69 m

State College is situated at an elevation of approximately 1,200 feet (370 m) above sea level. According to the U.S. Census Bureau, the borough has a total area of 4.5 square miles (12 km2), all of it land. It is surrounded by large tracts of farmland, and an expanse of Appalachian Mountain ranges and forests.…

Average elevation: 351 m

Average elevation: 9 m

Average elevation: 239 m

Average elevation: 7 m

Average elevation: 486 m

Average elevation: 6 m

Average elevation: 10 m

Average elevation: 549 m

Parker is located in northeastern Douglas County. Its northernmost border follows the Arapahoe County line, and the city of Aurora touches the town's northeast border. The center of Parker is 23 miles (37 km) southeast of downtown Denver. Castle Rock, the Douglas County seat, is 15 miles (24 km) to the…

Average elevation: 1,845 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