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File:Dam -27.JPG

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Summary

Description
English: River Dam #27 on the Mississippi River, North Riverfront Park Lake, Missouri. View of the 2925 foot low-water River Dam 27, the first permanent rock-fill dam across a major river in the United States. This dam was built in 1960 to ensure adequate depths over the lower sill of the old Alton Locks that was 12.5 river miles upstream.
Date early 2006
Source Own work (Original caption: “ Robert Lawton (self), 2006.”)
Transferred from en.wikipedia to Commons by User:Jay8g using CommonsHelper.
Author Rklawton at en.wikipedia

Licensing

Rklawton at the English language Wikipedia, the copyright holder of this work, hereby publishes it under the following license:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Subject to disclaimers.
w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. Subject to disclaimers.
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This licensing tag was added to this file as part of the GFDL licensing update.
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Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer Canon
Camera model Canon EOS 20D
Exposure time 1/400 sec (0.0025)
F-number f/13
ISO speed rating 1,600
Date and time of data generation 16:23, 19 February 2006
Lens focal length 46 mm
Software used Digital Photo Professional
File change date and time 16:23, 19 February 2006
Y and C positioning Centered
Exposure Program Shutter priority
Exif version 2.21
Date and time of digitizing 16:23, 19 February 2006
Shutter speed 8.6438598632812
APEX aperture 7.40087890625
Exposure bias 0
Flash Flash did not fire, compulsory flash suppression
Colour space sRGB
Focal plane X resolution 3,959.3220338983
Focal plane Y resolution 3,959.3220338983
Focal plane resolution unit inches
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Scene capture type Standard

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