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Selden Hills
Selden Hills are a range of hills in Doña Ana County, New Mexico, USA. They lie just over a mile northwest of Radium Springs east of the Rio Grande at the lower end of Rincon Valley. They are named for Fort Selden Fort Selden was a United States Army post, occupying the area in what is now Radium Springs, New Mexico. The site was long a campground along the El Camino Real de Tierra Adentro. It was the site of a Confederate Army camp in 1861. The U. S. A ... that was located nearby to the southeast. References {{DEFAULTSORT:Selden Hills Landforms of Doña Ana County, New Mexico Hills of New Mexico ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radium Springs New Mexico Post Office
Radium is a chemical element with the symbol Ra and atomic number 88. It is the sixth element in group 2 of the periodic table, also known as the alkaline earth metals. Pure radium is silvery-white, but it readily reacts with nitrogen (rather than oxygen) upon exposure to air, forming a black surface layer of radium nitride (Ra3N2). All isotopes of radium are radioactive, the most stable isotope being radium-226 with a half-life of 1600 years. When radium decays, it emits ionizing radiation as a by-product, which can excite fluorescent chemicals and cause radioluminescence. Radium, in the form of radium chloride, was discovered by Marie and Pierre Curie in 1898 from ore mined at Jáchymov. They extracted the radium compound from uraninite and published the discovery at the French Academy of Sciences five days later. Radium was isolated in its metallic state by Marie Curie and André-Louis Debierne through the electrolysis of radium chloride in 1911. In nature, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Range (geographic)
A mountain range or hill range is a series of mountains or hills arranged in a line and connected by high ground. A mountain system or mountain belt is a group of mountain ranges with similarity in form, structure, and alignment that have arisen from the same cause, usually an orogeny. Mountain ranges are formed by a variety of geological processes, but most of the significant ones on Earth are the result of plate tectonics. Mountain ranges are also found on many planetary mass objects in the Solar System and are likely a feature of most terrestrial planets. Mountain ranges are usually segmented by highlands or mountain passes and valleys. Individual mountains within the same mountain range do not necessarily have the same geologic structure or petrology. They may be a mix of different orogenic expressions and terranes, for example thrust sheets, uplifted blocks, fold mountains, and volcanic landforms resulting in a variety of rock types. Major ranges Most geologically ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hills
A hill is a landform that extends above the surrounding terrain. It often has a distinct summit. Terminology The distinction between a hill and a mountain is unclear and largely subjective, but a hill is universally considered to be not as tall, or as steep as a mountain. Geographers historically regarded mountains as hills greater than above sea level, which formed the basis of the plot of the 1995 film ''The Englishman who Went up a Hill but Came down a Mountain''. In contrast, hillwalkers have tended to regard mountains as peaks above sea level. The ''Oxford English Dictionary'' also suggests a limit of and Whittow states "Some authorities regard eminences above as mountains, those below being referred to as hills." Today, a mountain is usually defined in the UK and Ireland as any summit at least high, while the official UK government's definition of a mountain is a summit of or higher. Some definitions include a topographical prominence requirement, typically or ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Doña Ana County, New Mexico
Doña Ana County is located in the southern part of the State of New Mexico, United States. As of the 2020 U.S. Census, its population was 219,561, which makes it the second-most populated county in New Mexico. Its county seat is Las Cruces, the second-most populous municipality in New Mexico after Albuquerque, with 111,385 as of the 2020 U.S. Census. The county is named for Doña Ana Robledo, who died there in 1680 while fleeing the Pueblo Revolt. Doña Ana County is one of only two counties in the United States to have a diacritical mark in its name, the other being Coös County, New Hampshire. Notably, both Doña Ana County and Coös County lie on short international borders, the former with Mexico and the latter with Canada. Doña Ana County consists of the Las Cruces, NM Metropolitan Statistical Area, which is also included in the El Paso–Las Cruces, TX–NM Combined Statistical Area. It borders Luna, Sierra, and Otero counties in New Mexico, and El Paso County, Texas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Radium Springs, New Mexico
Radium Springs is a census-designated place (CDP) in Doña Ana County, New Mexico, United States. The population was 1,699 at the 2010 census. It is part of the Las Cruces Metropolitan Statistical Area. Geography Radium Springs is at the upstream end of the Mesilla Valley of the Rio Grande. According to the United States Census Bureau, the CDP has a total area of 6.0 square miles (19.6 km), all land. It is also the location of an old hot springs and the old Fort Selden of the Indian Wars. Demographics As of the census of 2010, there were 1,699 people living in the CDP. The population density was 283 people per square mile (109/km). There were 689 housing units at an average density of 115 per square mile (44/km). The racial makeup of the CDP was 85.5% White, 0.5% African American, 0.9% Native American, 0.4% Asian, 10.9% from other races, and 1.7% from two or more races. Hispanic or Latino of any race were 52.8% of the population. There were 635 households, out of w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rio Grande
The Rio Grande ( and ), known in Mexico as the Río Bravo del Norte or simply the Río Bravo, is one of the principal rivers (along with the Colorado River) in the southwestern United States and in northern Mexico. The length of the Rio Grande is . It originates in south-central Colorado, in the United States, and flows to the Gulf of Mexico. The Rio Grande drainage basin (watershed) has an area of ; however, the endorheic basins that are adjacent to and within the greater drainage basin of the Rio Grande increase the total drainage-basin area to . The Rio Grande with Rio Grande Valley (landform), its fertile valley, along with its tributaries, is a vital watersource for seven US and Mexican states, and flows primarily through arid and semi-arid lands. After traversing the length of New Mexico, the Rio Grande becomes the Mexico–United States border, between the U.S. state of Texas and the northern Mexican states of Chihuahua (state), Chihuahua and Coahuila, Nuevo León a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rincon Valley (New Mexico)
Rincon Valley is a valley through which the Rio Grande flows in New Mexico. Rincon Valley heads at at an elevation of 4,195 feet in a narrow gap between the Caballo Mountains on the east and bluffs on the west bank of the Rio Grande south of where Red Canyon meets the river, in Sierra County, New Mexico. Its mouth is at an elevation of where it emerges from a narrow canyon between the Selden Hills on the northeast bank of the river and Robledo Mountains on the southwest bank, into the Mesilla Valley at Radium Springs in Doña Ana County, New Mexico Doña Ana County is located in the southern part of the State of New Mexico, United States. As of the 2020 U.S. Census, its population was 219,561, which makes it the second-most populated county in New Mexico. Its county seat is Las Cruces, th .... References {{DEFAULTSORT:Rincon Valley (New Mexico) Landforms of Doña Ana County, New Mexico Landforms of Sierra County, New Mexico Valleys of New Mexico ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fort Selden
Fort Selden was a United States Army post, occupying the area in what is now Radium Springs, New Mexico. The site was long a campground along the El Camino Real de Tierra Adentro. It was the site of a Confederate Army camp in 1861. The U. S. Army established Fort Selden in 1865 for the purpose of protecting westward settlers from Native American raids, but the post fell into disrepair after the American Civil War. It was ultimately abandoned in 1891, due in large part to the decision to expand Fort Bliss and the lack of any expenditures for repair of the facility. History Paraje de Robledo For centuries the site of Fort Selden had been the Paraje de Robledo, a camp site along the course of the El Camino Real de Tierra Adentro on the east bank of the Rio Grande. The campground or paraje was named for an old Spanish soldier, Pedro Robledo, who died and was buried there on the 1598 expedition of Juan de Oñate. It became known as La Cruz de Robledo because of the cross origin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Landforms Of Doña Ana County, New Mexico
A landform is a natural or anthropogenic land feature on the solid surface of the Earth or other planetary body. Landforms together make up a given terrain, and their arrangement in the landscape is known as topography. Landforms include hills, mountains, canyons, and valleys, as well as shoreline features such as bays, peninsulas, and seas, including submerged features such as mid-ocean ridges, volcanoes, and the great ocean basins. Physical characteristics Landforms are categorized by characteristic physical attributes such as elevation, slope, orientation, stratification, rock exposure and soil type. Gross physical features or landforms include intuitive elements such as berms, mounds, hills, ridges, cliffs, valleys, rivers, peninsulas, volcanoes, and numerous other structural and size-scaled (e.g. ponds vs. lakes, hills vs. mountains) elements including various kinds of inland and oceanic waterbodies and sub-surface features. Mountains, hills, plateaux, and plains are the fou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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