National Petroleum Reserve–Alaska topographic map
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About this map
Name: National Petroleum Reserve–Alaska topographic map, elevation, terrain.
Location: National Petroleum Reserve–Alaska, United States (68.06743 -161.87879 71.38948 -150.91339)
Average elevation: 237 m
Minimum elevation: -4 m
Maximum elevation: 2,127 m
Other topographic maps
Click on a map to view its topography, its elevation and its terrain.
Florida
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
Michigan
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
Pennsylvania
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
Washington
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
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
Houston
United States > Texas > Harris County
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
Tennessee
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
Texas
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
Georgia
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
New Jersey
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
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
Vermont
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
Colorado
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
Arkansas
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
New Hampshire
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
Massachusetts
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
New York
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
Louisiana
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
Montana
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
Long Island
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
Wyoming
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
South Carolina
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
Cape Cod
United States > Massachusetts > Barnstable County
Cape Cod extends 65 miles (105 km) into the Atlantic Ocean, with a breadth of between 1–20 miles (1.6–32.2 km), and covers more than 400 miles (640 km) of shoreline. Its elevation ranges from 306 feet (93 m) at its highest point, at the top of Pine Hill, in the Bourne portion of Joint Base Cape Cod, down…
Average elevation: 2 m
West Virginia
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
Illinois
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
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
Mississippi
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
Utah
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
Jacksonville
United States > Florida > Duval County
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
Minnesota
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
Connecticut
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
Nebraska
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
South Dakota
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
Alabama
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
New Mexico
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
Hudson River
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
Maine
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
Albuquerque
United States > New Mexico > Bernalillo County
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
Spokane
United States > Washington > Spokane County
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
Idaho
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
Iowa
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
Humboldt County
The coastal zone of the county experiences very wet, cool winters and dry, mild foggy summers. In the winter, temperatures range from highs of 40–59 °F (4–15 °C) to lows of 32–49 °F (0–9 °C). Coastal summers are cool to mild, with average highs of 60–69 °F (16–21 °C) and frequent fogs.…
Average elevation: 540 m
Rhode Island
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
Appalachian Mountains
United States > North Carolina > Yancey County
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
Queens County
United States > New York > New York
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
Indiana
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
Duval County
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
Mississippi River
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
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
Seattle
United States > Washington > King County
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
Erie County
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
United States > Nevada > Clark County
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
Tillamook County
According to the United States Census Bureau, the county has a total area of 1,333 square miles (3,450 km2), of which 1,103 square miles (2,860 km2) is land and 230 square miles (600 km2) (17%) is water. At 3,706 feet (1130 m) in elevation, Rogers Peak is the highest point in the county and the highest in the…
Average elevation: 236 m
Sonoma County
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
Clark County
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
Burbank
Elevations in the city range from 500 feet (150 m) in the lower valley areas to about 800 feet (240 m) near the Verdugo Mountains. Most of Burbank features a water table more than 100 feet (30 m) deep, more than the measures found in the 1940s when the water table was within 50 feet (15 m) of the ground…
Average elevation: 251 m
Dothan
United States > Alabama > Houston County
It is located in the Wiregrass region of southeastern Alabama, near both the Florida and Georgia state lines. The topography is generally flat and forested, with few small hills that gradually slope downward towards the Chattahoochee River to the east and the gulf coastal plain to the south.
Average elevation: 88 m
Hawaii
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
Nevada
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
Bentonville
United States > Arkansas > Benton County
Bentonville lies in the humid subtropical climate zone (Köppen Cfa) with influence from the humid continental climate type. Bentonville experiences all four seasons and does receive cold air masses from the north, however some of the Arctic masses are blocked by the higher elevations of the Ozarks. July is…
Average elevation: 387 m
City of Albany
United States > New York > Albany County
The highest natural point in Albany is a USGS benchmark near the Loudonville Reservoir off Birch Hill Road, at 378 feet (115 m) above sea level. The lowest point is sea level at the Hudson River (the average water elevation is 2 feet (0.61 m)), which is still technically an estuary at Albany and is affected by…
Average elevation: 68 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
Oklahoma
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
Knoxville
United States > Tennessee > Knox County
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
Key West
United States > Florida > Monroe County
Key West is an island located at 24°33′55″N 81°46′33″W / 24.565176°N 81.775794°W / 24.565176; -81.775794 in the Straits of Florida. The island is about 4 miles (6 km) long and 1 mile (2 km) wide, with a total land area of 4.2 square miles (10.9 km2; 2,688.0 acres). The average elevation…
Average elevation: 1 m
Palo Alto
United States > California > Santa Clara County
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