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Columbine, Colorado
Columbine is census-designated place (CDP) in and governed by Jefferson and Arapahoe counties in Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. Located primarily in Jefferson County, Columbine lies immediately south of Denver. The population of the Columbine CDP was 24,280 at the United States Census 2010. The community lies in ZIP code 80123. History Columbine grew rapidly during the Space Race years from 1958 to 1968 with the construction of the Martin Company missile facility in Waterton Canyon. Its population exceeded 20,000 for the first time in 1980. Columbine was the site of the Columbine High School massacre in 1999 perpetrated by Eric Harris and Dylan Klebold. Geography Columbine is located on the eastern edge of Jefferson County with a small portion extending east into Arapahoe County. Columbine is bordered to the east by Littleton and Columbine Valley, and to the west by Ken Caryl. The Denver c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Census-designated Place
A census-designated place (CDP) is a Place (United States Census Bureau), concentration of population defined by the United States Census Bureau for statistical purposes only. CDPs have been used in each decennial census since 1980 as the counterparts of incorporated places, such as self-governing city (United States), cities, town (United States), towns, and village (United States), villages, for the purposes of gathering and correlating statistical data. CDPs are populated areas that generally include one officially designated but currently unincorporated area, unincorporated community, for which the CDP is named, plus surrounding inhabited countryside of varying dimensions and, occasionally, other, smaller unincorporated communities as well. CDPs include small rural communities, Edge city, edge cities, colonia (United States), colonias located along the Mexico–United States border, and unincorporated resort and retirement community, retirement communities and their environs. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Denver
Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the United States and the fifth most populous state capital. It is the principal city of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area and the first city of the Front Range Urban Corridor. Denver is located in the Western United States, in the South Platte River Valley on the western edge of the High Plains just east of the Front Range of the Rocky Mountains. Its downtown district is immediately east of the confluence of Cherry Creek and the South Platte River, approximately east of the foothills of the Rocky Mountains. It is named after James W. Denver, a governor of the Kansas Territory. It is nicknamed the ''Mile High City'' because its official elevation is exactly one mile () above sea level. The 105th meridian we ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Poverty Line
The poverty threshold, poverty limit, poverty line or breadline is the minimum level of income deemed adequate in a particular country. The poverty line is usually calculated by estimating the total cost of one year's worth of necessities for the average adult.Poverty Lines – Martin Ravallion, in The New Palgrave Dictionary of Economics, 2nd Edition, London: Palgrave Macmillan The cost of housing, such as the rent for an apartment, usually makes up the largest proportion of this estimate, so economists track the real estate market and other housing cost indicators as a major influence on the poverty line. Individual factors are often used to account for various circumstances, such as whether one is a parent, elderly, a child, married, etc. The poverty threshold may be adjusted annually. In practice, like the definition of poverty, the official or common understanding of the poverty line is significantly higher in developed countries than in developing countries. In October ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Race And Ethnicity In The United States Census
Race and ethnicity in the United States census, defined by the federal Office of Management and Budget (OMB) and the United States Census Bureau, are the self-identified categories of race or races and ethnicity chosen by residents, with which they most closely identify, and indicate whether they are of Hispanic or Latino origin (the only categories for ethnicity). The racial categories represent a social-political construct for the race or races that respondents consider themselves to be and, "generally reflect a social definition of race recognized in this country." OMB defines the concept of race as outlined for the U.S. census as not "scientific or anthropological" and takes into account "social and cultural characteristics as well as ancestry", using "appropriate scientific methodologies" that are not "primarily biological or genetic in reference." The race categories include both racial and national-origin groups. Race and ethnicity are considered separate and disti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2000 United States Census
The United States census of 2000, conducted by the Census Bureau, determined the resident population of the United States on April 1, 2000, to be 281,421,906, an increase of 13.2 percent over the 248,709,873 people enumerated during the 1990 census. This was the twenty-second federal census and was at the time the largest civilly administered peacetime effort in the United States. Approximately 16 percent of households received a "long form" of the 2000 census, which contained over 100 questions. Full documentation on the 2000 census, including census forms and a procedural history, is available from the Integrated Public Use Microdata Series. This was the first census in which a state – California – recorded a population of over 30 million, as well as the first in which two states – California and Texas – recorded populations of more than 20 million. Data availability Microdata from the 2000 census is freely available through the Integrated Public Use Microdata Seri ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chatfield Reservoir
Chatfield Dam and Reservoir is a dam and artificial lake located on the South Platte River, south of Littleton, Colorado. The dam and reservoir were built by the United States Army Corps of Engineers as a response to the disastrous flood of 1965. In addition to its primary purpose of flood control, it serves as one of many water supply reservoirs for the city of Denver, Colorado. In 1966, the U.S. Atomic Energy Commission projected a total federal cost of $74 million. Construction of the project was begun in 1967 and the dam was completed in 1975. The massive breastworks of the dam measure approximately in length with a maximum height of the dam of above the streambed. The normal depth of the lake is at its deepest point. This means the dam towers above the mean surface of the reservoir. The lake drains an area of more than 3,000 square miles (8,000 km2). The 1,500 acre (6 km2) lake has a conservation storage capacity of with a flood-control pool of over Chatfie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ken Caryl, Colorado
Ken Caryl, commonly known as Ken Caryl Ranch, is an unincorporated community and a census-designated place (CDP) located in and governed by Jefferson County, Colorado, United States. The CDP is a part of the Denver–Aurora–Lakewood, CO Metropolitan Statistical Area. The population of the Ken Caryl CDP was 32,438 at the United States Census 2010. The Ken Caryl Ranch Metropolitan District and the Ken Caryl Ranch Water District provide services. The Littleton post office ( Zip code 80127) serves the area. History Ken Caryl's history begins with Denver Major Robert B. Bradford's purchase of the property in 1859. He soon built the Bradford/Perley House, as well as a toll road ($1.50 per wagon) to aid travelers moving west from Denver in 1859. The combination of the Bradford/Perley House Inn and the toll road heading towards the mining camps proved fairly lucrative for Bradford. The construction of a competing road up Turkey Creek Canyon in 1867 (known as Highway 285 in the modern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Columbine Valley, Colorado
The Town of Columbine Valley is a Statutory Town located in western Arapahoe County, Colorado, United States. The town population was 1,502 at the 2020 United States Census, a +19.59% increase since the 2010 United States Census. Columbine Valley is a part of the Denver-Aurora-Lakewood, CO Metropolitan Statistical Area and the Front Range Urban Corridor. Geography Columbine Valley is located at (39.599665, -105.03736). At the 2020 United States Census, the town had a total area of including of water. Demographics As of the census of 2010, there were 1,256 people, 491 households, and 421 families residing in the town. There were 530 housing units. The racial makeup of the town was 95.3% White, 0.7% African American, 0.4% Native American, 1.5% Asian, 0% Pacific Islander, and 1.5% from two or more races. Hispanic or Latino of any race were 2.1% of the population. There were 491 households, out of which 26.5% had children under the age of 18 living with them, 80.9% were ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Eric Harris And Dylan Klebold
Eric David Harris (April 9, 1981 – April 20, 1999) and Dylan Bennet Klebold (; September 11, 1981 – April 20, 1999) were an American mass murder duo who perpetrated the Columbine High School massacre on April 20, 1999. Harris and Klebold killed 13 people and wounded 24 others at Columbine High School, where they were seniors, in Columbine, Colorado. After killing most of their victims in the school's library, they later committed suicide. At the time, it was the deadliest high school shooting in U.S. history, with the ensuing media frenzy and moral panic leading it to becoming one of the most infamous mass shootings ever perpetrated. Harris and Klebold were both born in 1981. Harris was born in Wichita, Kansas, but moved around frequently as a child due to his father's occupation in the United States Air Force, while Klebold was born and raised near Columbine. Harris' family eventually settled in Colorado in 1992. Shortly after, Harris and Klebold met, while they wer ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Columbine High School Massacre
On April 20, 1999, a school shooting and attempted bombing occurred at Columbine High School in Columbine, Colorado, United States. The perpetrators, 12th grade students Eric Harris and Dylan Klebold, murdered 12 students and one teacher. 10 students were killed in the school library, where Harris and Klebold subsequently committed suicide. 21 additional people were injured by gunshots, and gunfire was also exchanged with the police. Another three people were injured trying to escape. At the time, it was the deadliest high school shooting in U.S. history. The shooting has inspired dozens of copycat killings, dubbed the Columbine effect, including many deadlier shootings across the world. The word "Columbine" has become a byword for school shootings. Harris and Klebold had intended for the attack to primarily be a bombing and secondarily a shooting, but the failed detonation of the several homemade bombs they planted in the school caused the pair to launch a shooting atta ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lockheed Martin
The Lockheed Martin Corporation is an American aerospace, arms, defense, information security, and technology corporation with worldwide interests. It was formed by the merger of Lockheed Corporation with Martin Marietta in March 1995. It is headquartered in North Bethesda, Maryland, in the Washington, D.C. area. Lockheed Martin employs approximately 115,000 employees worldwide, including about 60,000 engineers and scientists as of January 2022. Lockheed Martin is one of the largest companies in the aerospace, military support, security, and technologies industry. It is the world's largest defense contractor by revenue for fiscal year 2014.POC Top 20 Defence Contractors of 2014 . Retrieved: July 2015 In 2013, 78% of Lockheed Martin's revenues came from military sales; [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Space Race
The Space Race was a 20th-century competition between two Cold War rivals, the United States and the Soviet Union, to achieve superior spaceflight capability. It had its origins in the ballistic missile-based nuclear arms race between the two nations following World War II. The technological advantage demonstrated by spaceflight achievement was seen as necessary for national security, and became part of the symbolism and ideology of the time. The Space Race brought pioneering launches of artificial satellites, robotic space probes to the Moon, Venus, and Mars, and human spaceflight in low Earth orbit and ultimately to the Moon. Public interest in space travel originated in the 1951 publication of a Soviet youth magazine and was promptly picked up by US magazines. The competition began on July 30, 1955 when the United States announced its intent to launch artificial satellites for the International Geophysical Year. Four days later, the Soviet Union responded by decl ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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