File:LimeStone Sand Project 009 (9417670087).jpg
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Summary
[edit]DescriptionLimeStone Sand Project 009 (9417670087).jpg | On June 11, Ranger Art Myers dumped three tons of limestone sand into the Straight Creek tributary to East Branch Lake. Limestone sand is added bi-annually to the lake’s four tributaries, normally during the spring and fall of each year. The total annual amount of limestone sand applied to the streams is 39.4 tons. The other three streams are Seven Mile Run, Borgardy Run and Whittaker Run. There are three agencies involved in adding limestone to the streams: Bendigo State Park, Pennsylvania Bureau of Forestry and the Corps of Engineers at East Branch Lake. The project has been going on since 1996, due to the low PH, alkalinity and conductivity of the water at East Branch Lake. The best way to get the limestone sand to mix with the water is to apply it at a location as far up in the water shed as is assessable by dump truck. This usually means that the sand is dumped on the lower end of an upstream culvert pipe which collects and channels runoff water into the streams. (U.S. Army Corps of Engineers photo by Art Myers) |
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Author | U.S. Army Corps of Engineers from USA |
Licensing
[edit]This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image, originally posted to Flickr, was reviewed on 11 November 2013 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 06:44, 11 November 2013 | 4,288 × 2,848 (3.03 MB) | File Upload Bot (Magnus Manske) (talk | contribs) | Transferred from Flickr by User:AlbertHerring |
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Camera manufacturer | NIKON CORPORATION |
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Camera model | NIKON D90 |
Exposure time | 1/500 sec (0.002) |
F-number | f/3.5 |
ISO speed rating | 800 |
Date and time of data generation | 10:58, 18 June 2013 |
Lens focal length | 18 mm |
Short title |
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Author | PittsburghCorps |
Image title |
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Orientation | Normal |
Horizontal resolution | 300 dpi |
Vertical resolution | 300 dpi |
Software used | Ver.1.00 |
File change date and time | 10:58, 18 June 2013 |
Y and C positioning | Co-sited |
Exposure Program | Not defined |
Exif version | 2.21 |
Date and time of digitizing | 10:58, 18 June 2013 |
Meaning of each component |
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Image compression mode | 2 |
APEX exposure bias | 0 |
Maximum land aperture | 3.6 APEX (f/3.48) |
Metering mode | Pattern |
Light source | Unknown |
Flash | Flash did not fire, auto mode |
DateTime subseconds | 00 |
DateTimeOriginal subseconds | 00 |
DateTimeDigitized subseconds | 00 |
Supported Flashpix version | 1 |
Color space | sRGB |
Sensing method | One-chip color area sensor |
File source | Digital still camera |
Scene type | A directly photographed image |
Custom image processing | Normal process |
Exposure mode | Auto exposure |
White balance | Auto white balance |
Digital zoom ratio | 1 |
Focal length in 35 mm film | 27 mm |
Scene capture type | Standard |
Scene control | Low gain up |
Contrast | Normal |
Saturation | Normal |
Sharpness | Normal |
Subject distance range | Unknown |
GPS tag version | 2.2.0.0 |
APEX shutter speed | 8.965784 |
APEX aperture | 3.61471 |
Subject distance | 2.11 meters |
Image width | 4,288 px |
Image height | 2,848 px |
Width | 4,288 px |
Height | 2,848 px |
Pixel composition | RGB |
Number of components | 3 |
Serial number of camera | 3226338 |
Lens used | 18.0-105.0 mm f/3.5-5.6 |
Bits per component |
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Rating (out of 5) | 1 |
Date metadata was last modified | 18:24, 1 August 2013 |
Type of media | Photo |
Keywords |
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IIM version | 2 |