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Tennessee River Gorge
The Tennessee River Gorge is a canyon formed by the Tennessee River known locally as Cash Canyon. It is the fourth largest river gorge in the Eastern United States. The gorge is cut into the Cumberland Plateau as the river winds its way into Alabama from Tennessee. The Tennessee River Gorge was also known as Walden Gorge. Walden Ridge originally extended across the present path of the Tennessee River at the gorge to Sand Mountain. Ecology The Tennessee River Gorge is home to endangered species like the mountain skullcap. Many archaeological sites have been discovered in the gorge that show that people have been dwelling in the canyon for at least 10,000 years. History Prior to the completion of Hales Bar Dam in 1913 and the subsequent raising of the water-level, the stretch of the Tennessee River flowing through the Gorge was notorious for its navigational hazards, whirlpools, eddies, shoals, and one huge rock. Beginning with Williams' Island and the sandbars on either side o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Thomas Jefferson
Thomas Jefferson (April 13, 1743 – July 4, 1826) was an American statesman, diplomat, lawyer, architect, philosopher, and Founding Father who served as the third president of the United States from 1801 to 1809. He was previously the nation's second vice president under John Adams and the first United States secretary of state under George Washington. The principal author of the Declaration of Independence, Jefferson was a proponent of democracy, republicanism, and individual rights, motivating American colonists to break from the Kingdom of Great Britain and form a new nation. He produced formative documents and decisions at state, national, and international levels. During the American Revolution, Jefferson represented Virginia in the Continental Congress that adopted the Declaration of Independence. As a Virginia legislator, he drafted a state law for religious freedom. He served as the second Governor of Virginia from 1779 to 1781, during the Revolutionary War. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canyons And Gorges Of The United States
A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency to cut through underlying surfaces, eventually wearing away rock layers as sediments are removed downstream. A river bed will gradually reach a baseline elevation, which is the same elevation as the body of water into which the river drains. The processes of weathering and erosion will form canyons when the river's headwaters and estuary are at significantly different elevations, particularly through regions where softer rock layers are intermingled with harder layers more resistant to weathering. A canyon may also refer to a rift between two mountain peaks, such as those in ranges including the Rocky Mountains, the Alps, the Himalayas or the Andes. Usually, a river or stream carves out such splits between mountains. Examples of mountain-type ca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nature Reserves In Tennessee
Nature, in the broadest sense, is the physical world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans are part of nature, human activity is often understood as a separate category from other natural phenomena. The word ''nature'' is borrowed from the Old French ''nature'' and is derived from the Latin word ''natura'', or "essential qualities, innate disposition", and in ancient times, literally meant "birth". In ancient philosophy, ''natura'' is mostly used as the Latin translation of the Greek word ''physis'' (φύσις), which originally related to the intrinsic characteristics of plants, animals, and other features of the world to develop of their own accord. The concept of nature as a whole, the physical universe, is one of several expansions of the original notion; it began with certain core applications of the word φύσις by pre-Socr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Protected Areas Of Marion County, Tennessee
Protection is any measure taken to guard a thing against damage caused by outside forces. Protection can be provided to physical objects, including organisms, to systems, and to intangible things like civil and political rights. Although the mechanisms for providing protection vary widely, the basic meaning of the term remains the same. This is illustrated by an explanation found in a manual on electrical wiring: Some kind of protection is a characteristic of all life, as living things have evolved at least some protective mechanisms to counter damaging environmental phenomena, such as ultraviolet light. Biological membranes such as bark on trees and skin on animals offer protection from various threats, with skin playing a key role in protecting organisms against pathogens and excessive water loss. Additional structures like scales and hair offer further protection from the elements and from predators, with some animals having features such as spines or camouflage serving ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Archaeological Sites In Tennessee
Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities. It is usually considered an independent academic discipline, but may also be classified as part of anthropology (in North America – the four-field approach), history or geography. Archaeologists study human prehistory and history, from the development of the first stone tools at Lomekwi in East Africa 3.3 million years ago up until recent decades. Archaeology is distinct from palaeontology, which is the study of fossil remains. Archaeology is particularly important for learning about prehistoric societies, for which, by definition, there are no written records. Prehistory includes over 99% of the human past, from the Paleolithic until the advent ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Archaeological Sites In Alabama
Archaeology or archeology is the scientific study of human activity through the recovery and analysis of material culture. The archaeological record consists of artifacts, architecture, biofacts or ecofacts, sites, and cultural landscapes. Archaeology can be considered both a social science and a branch of the humanities. It is usually considered an independent academic discipline, but may also be classified as part of anthropology (in North America – the four-field approach), history or geography. Archaeologists study human prehistory and history, from the development of the first stone tools at Lomekwi in East Africa 3.3 million years ago up until recent decades. Archaeology is distinct from palaeontology, which is the study of fossil remains. Archaeology is particularly important for learning about prehistoric societies, for which, by definition, there are no written records. Prehistory includes over 99% of the human past, from the Paleolithic until ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canyons And Gorges Of Alabama
A canyon (from ; archaic British English spelling: ''cañon''), or gorge, is a deep cleft between escarpments or cliffs resulting from weathering and the erosive activity of a river over geologic time scales. Rivers have a natural tendency to cut through underlying surfaces, eventually wearing away rock layers as sediments are removed downstream. A river bed will gradually reach a baseline elevation, which is the same elevation as the body of water into which the river drains. The processes of weathering and erosion will form canyons when the river's headwaters and estuary are at significantly different elevations, particularly through regions where softer rock layers are intermingled with harder layers more resistant to weathering. A canyon may also refer to a rift between two mountain peaks, such as those in ranges including the Rocky Mountains, the Alps, the Himalayas or the Andes. Usually, a river or stream carves out such splits between mountains. Examples of mountain-type ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
TN Gorge
Businesses and organizations * Air Tahiti Nui (IATA airline designation "TN" since 1998), a French Polynesian airline * Texas and Northern Railway, an American railway (reporting mark "TN") * Todo Noticias, an Argentine cable news network * Trans Australia Airlines (IATA airline designation "TN" until 1994), a defunct Australian airline * Transports en commun de Neuchâtel et environs, a public transport operator in Neuchâtel, Switzerland Places * Tamil Nadu, a state in southern India (ISO abbreviation "IN-TN") * Tennessee, US (postal abbreviation "TN") * Tonbridge, a region in England (postcode "TN") * Tunisia (ISO 3166-1 country code "TN") * Trentino, a province in Italy (ISO abbreviation "IT-TN") ;Other * North Tipperary, Ireland (former code "TN") Science and technology * .tn, the country code top level domain (ccTLD) for Tunisia * TN network, a type of earthing system for protection in electricity network * Neel Temperature, the temperature at which an antiferrom ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennessee River Gorge Trust
The Tennessee River Gorge Trust is a non-profit land trust conservation group acquiring and maintaining conservation areas, building trails, and conducting environmental studies and education programs in the Tennessee River Gorge near Chattanooga, Tennessee. It is involved in preserving natural areas along the Tennessee River. The group was established in 1981. Activities The Trust outright purchases property, seeks donations, and enters into conservation easements with private land owners. Since 1981 they have secured ownership or protection for more than 17,000 acres of the 27,000 acres in the target area. Black charcoal drawings have been found in caves on trust property. The trust offers hiking trails and educational programs. Studies on trust properties include bird banding of cerulean warblers and worm-eating warblers. The group led development of the 2.5.mile Ritchie Hollow Trail. The Trust received a $250,000 donation in Bitcoin from an anonymous donor using the pseudonym ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hales Bar Dam
Hales Bar Dam was a hydroelectric dam once located on the Tennessee River in Marion County, Tennessee, United States. The Chattanooga and Tennessee River Power Company began building the dam on October 17, 1905, and completed it on November 11t, 1913, making Hales Bar one of the first major multipurpose dams and one of the first major dams to be built across a navigable channel in the United States. It began operation on November 13, 1913. On August 15, 1939, the Tennessee Valley Authority, which had been established by the President Franklin D. Roosevelt administration to develop and regulate flood control and hydropower in the Valley, assumed control of Hales Bar Dam after purchasing TEPCO's assets through Eminent Domain. It had conducted a lengthy court battle that went all the way to the US Supreme Court. The TVA worked for two decades trying to fix a leakage problem that had plagued Hales Bar since its construction. But, after continued leakage and determining that expandin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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