File:Industrial Area, Ascension Parish, Louisiana (3921688461).jpg
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Summary
[edit]DescriptionIndustrial Area, Ascension Parish, Louisiana (3921688461).jpg |
The Mississippi River is the chief river of the largest drainage system in North America. Flowing entirely in the United States (though its drainage basin reaches into Canada), it rises in northern Minnesota and meanders slowly southwards for 2,530 miles (4,070 km) to the Mississippi River Delta at the Gulf of Mexico. With its many tributaries, the Mississippi's watershed drains all or parts of 31 US states and 2 Canadian provinces between the Rocky and Appalachian Mountains. The Mississippi ranks as the fourth longest and tenth largest river in the world. The river either borders or cuts through the states of Minnesota, Wisconsin, Iowa, Illinois, Missouri, Kentucky, Tennessee, Arkansas, Mississippi, and Louisiana. Native Americans long lived along the Mississippi and its tributaries. Most were hunter-gatherers or herders, but some, such as the Mound builders, formed prolific agricultural societies. The arrival of Europeans in the 1500s changed the native way of life as first explorers, then settlers, ventured into the basin in increasing numbers. The river served first as a barrier – forming borders for New Spain, New France, and the early United States – then as a vital transportation artery and communications link. In the 19th century, during the height of Manifest Destiny, the Mississippi and several western tributaries, most notably the Missouri, formed pathways for the western expansion of the United States. Formed from thick layers of this river's silt deposits, the Mississippi River Valley is one of the most fertile agricultural regions of the country, which resulted in the river's storied steamboat era. During the American Civil War, the Mississippi's capture by Union forces marked a turning point towards victory because of the river's importance as a route of trade and travel, not least to the Confederacy. Because of substantial growth of cities and the larger ships and barges that supplanted riverboats, the decades following the 1900s saw the construction of massive engineering works such as levees, locks and dams, often built in combination. Since modern development of the basin began, the Mississippi has also seen its share of pollution and environmental problems – most notably large volumes of agricultural runoff, which has led to the Gulf of Mexico dead zone off the Delta. In recent years, the river has shown a steady shift towards the Atchafalaya River channel in the Delta; a course change would prove disastrous to seaports such as New Orleans. While a system of dikes and gates has held the Mississippi in its current channel to date, the shift becomes more likely each year due to fluvial processes. en.wikipedia.org/wiki/Mississippi_River en.wikipedia.org/wiki/Wikipedia:Text_of_Creative_Commons_... |
Date | |
Source | Industrial Area, Ascension Parish, Louisiana |
Author | Ken Lund from Reno, Nevada, USA |
Camera location | 30° 08′ 05.58″ N, 90° 55′ 07.43″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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Licensing
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This image was originally posted to Flickr by Ken Lund at https://flickr.com/photos/75683070@N00/3921688461. It was reviewed on 3 December 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
3 December 2015
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:09, 3 December 2015 | ![]() | 2,816 × 2,112 (2.05 MB) | INeverCry (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Metadata
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A540 |
Exposure time | 1/250 sec (0.004) |
F-number | f/4 |
Date and time of data generation | 06:45, 9 September 2009 |
Lens focal length | 11.759 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
File change date and time | 06:45, 9 September 2009 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 06:45, 9 September 2009 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 7.96875 |
APEX aperture | 4 |
APEX exposure bias | −0.33333333333333 |
Maximum land aperture | 3.625 APEX (f/3.51) |
Metering mode | Pattern |
Flash | Flash did not fire, compulsory flash suppression, red-eye reduction mode |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 12,515.555555556 |
Focal plane Y resolution | 12,497.041420118 |
Focal plane resolution unit | inches |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Custom image processing | Normal process |
Exposure mode | Manual exposure |
White balance | Manual white balance |
Digital zoom ratio | 1 |
Scene capture type | Landscape |
Keywords | LA-MS Day 1 |