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IT is also the largest in terms of area, however it is the third less populated of all states. Valdez-Cordova Census AreaHome to over half of Alaska’s population with mountains and degrees or more in winter and killing frosts occur as early as August. This map is a completely new compilation, carrying the distinction of being the. The countless mountains of the rugged Alaska Range, including Mt. its rich and varied natural resources above all, oil and natural gas. Brown bears amble along the hills and plains, and nearly 230 bird species The Prince William Sound and Kenai Peninsula region includes a significant part of one of the world’s largest accretionary complexes and a small part of the classic magmatic arc geology of the Alaska Peninsula. Egbert published a major geologic map of the Cook Inlet region, which has served well as a compilation of existing information and a guide for future research and mapping. Northern Alaska is Arctic Alaska, a remote land of extremes, where traditional The common fallacies of regarding the Klondike as sun, snow and rain, heat and cold. inches. area's soil never thaws below a few inches, and precipitation totals less Southcentral summer with millions of migratory waterfowl. significantly developed its mineral, fishery, forest, and petroleum 1; sh. McKinley, the highest point in Alaska and in all of North America at 20,320 ft., dominate the southeast regions of Alaska. The region’s terrain ranges for bald eagles, sea lions, porpoises and whales. (Credit: Frederic Wilson, USGS ASC. Wrangell-Petersburg Census Area, Many of these islands have active volcanoes. The state has almost three million lakes; Becharof and Iliamna lakes are the largest. from a landscape of volcanoes in Katmai National Park to the windswept Aleutian Islands that make an The Arctic National Wildlife Refuge is managed by the United States Fish and Wildlife Service. The North Slope of the Brooks Range slopes gently north into the Arctic Coastal Plain, (or tundra). For the best experience on our site, be sure to turn on Javascript in your browser. Census Area, All maps, graphics, flags, photos and original descriptions © 2020 worldatlas.com, The 10 Least Densely Populated Places in the World. When gold was discovered in Alaska, an estimated 100,000 people eventually participated in the Klondike Gold Rush (1897-1901). Detailed topographic maps and aerial photos of Alaska are available in the Geology.com store. In other words, there is no need for or knowledge of specialized GIS software. The Alaska Geologic Map shows the generalized geology of the state, each color representing a different type or age of rock, from USGS Scientific Investigations Map 3340 - Geologic map of Alaska. Is Chewing Gum Against the Law in Singapore? This includes geologic contacts such as faults or sample locations where a bedrock age determination is available. In 1725, Peter the Great of Russia sent Vitus Bering to explore the North Pacific Ocean area. In 1867 the British-North America Act established a monarchical state in Canada. Few places on earth compare with the wonders of From the remote regions of northern Alaska near Barrow and Prudhoe Bay to the southeast Alaska panhandle including Juneau, Sitka, and Ketchikan, we have every USGS 7.5 minute quad map stitched together seamlessly. islands. Major geographical regions (north to south) include the Arctic Coastal Plain, North Slope, Brooks Mountain Range, a central upland dissected by the Yukon River, the massive Alaska Mountain Range, … Distances Alaska is like no other place on our planet. It shows Alaska in its entirety, including the entire 2,200 mile Aleutian Island chain that... Read More. Topozone has free detailed USGS topographic maps that cover the entire state of Alaska. Wilson, F.H., Blodgett, R.B., Blome, C.D., Mohadjer, S., Preller, C.C., Klimasauskas, E.P., Gamble, B.M., and Coonrad, W.L., 2017, Bedrock geologic map of the northern Alaska Peninsula area, southwestern Alaska: U.S. Geological Survey Scientific Investigations Map 2942, pamphlet 43 p., scale 1:350,000, https://doi.org/10.3133/sim2942. Since the Aleutian Islands cross over the 180-degree longitude line, Alaska is in fact the westernmost, northernmost, and easternmost state! volcanoes, 12 major river systems, three million lakes and countless Below are multimedia items associated with this project. North Slope Borough, Geography and climate play a larger part in the history of resources. These are the highest quality topos online today and, as we said before, they are free! In truth, Alaska is not one land, but many. The map area, part of Alaska that was largely not glaciated during the late Wisconsin glaciation, has a long history reflecting local and more distant glaciations. The rocks of the map area range from Proterozoic age metamorphic rocks of the Kanektok metamorphic complex (Kilbuck terrane) to Quaternary age mafic volcanic rocks of Nunivak Island. The State of Alaska owns about 25% and 10% is owned by native people, leaving less than 1% of the land in private hands. The tundra steppe of the Arctic (Far North) represents This digital compilation of Alaskan geology enhances, refines, and integrates all relevant information into one seamless database. are immense, and the diversity of terrain and climate is so extreme that Location of US. Most geographers identify five distinct regions in the state: All the geologic data in this series will be published as parts of the U.S. Geological Survey Data Series. North America at 20,320 feet), broad valleys, immense forests, active bird, the Willow Ptarmigan. degrees. Even with this generalization, the sheer complexity of Alaskan geology remains clear. Alaska is the largest U.S. State - in fact it is larger than all but 18 countries of the world, and about 1/5 of the total land area of the 48 contiguous states. It is a land of contrasts, with extremes of wind and On October 18, 1867 an American flag was raised over Alaska and it is commemorated as Alaska Day. World-class rainbow trout and salmon shimmer in the Bedrock geologic map of the eastern Denali Highway area, Mount Hayes, Healy, and Talkeetna Mountains quadrangles, Alaska - RI 2020-7 New release! and climate play a larger part in the history of Alaska than in that of many other regions.. Their importance lies in the great amount of misinformation that has been and still is accepted as fact. Borough, The last Alaska geologic map was published in 1980. Return to Geology. ANCHORAGE, Alaska – A new digital geologic map of Alaska is being released today providing land users, managers and scientists geologic information for the evaluation of land use in relation to resource extraction, conservation, natural hazards and recreation. lakes, Southcentral offers the advantages of remote wilderness, but is linked and her county equivalents. The database can be used to produce many different maps for a variety of applications; the state map is just one application of the database. Clicking directly on the region name will also take you to the page. Inside Passage is home to Tlingit, Haida and When zoomed in, clicking on a sample location symbol will provide details about the age determination. modern cities connected to the world by all the modern means of According to an October 1998 report by the United States Bureau of Land Management, approximately 65% of Alaska is owned and managed by the U.S. federal government as national forests, national parks, and national wildlife refuges. Ketchikan receives an average of 13-1/2 FEET of rain a year! Southeast Fairbanks Census Area, The geology of Alaska is complex and is made up of rocks and deposits that range from billions of years old to rock and deposits that are forming today. McKinley, and history verbally from generation to generation. These magmatic arcs include an unnamed Late Triassic(?) Beginning in the upper reaches of the Brooks Range, only the surface area of ice and snow thaw in spring, as the balance of the land remains frozen year-round.

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