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File:Lead mining Barber 1865p321cropped.jpg

Summary

Description

Lead mining, upper Mississippi River
Source

The Loyal West in the Times of the Rebellion
Date

1865
Author

Barber and Howe
Permission
( Reusing this file)

See below.

Licensing

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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 PowerShot A550
Exposure time 1/50 sec (0.02)
F-number f/2.6
ISO speed rating 200
Date and time of data generation 13:21, 16 May 2007
Lens focal length 5.8 mm
Orientation Normal
Horizontal resolution 180 dpi
Vertical resolution 180 dpi
Software used Adobe Photoshop CS3 Windows
File change date and time 13:35, 29 September 2010
Y and C positioning Centered
Exif version 2.2
Date and time of digitizing 13:21, 16 May 2007
Image compression mode 5
Shutter speed 5.65625
APEX aperture 2.75
Exposure bias 1
Maximum land aperture 2.75 APEX (f/2.59)
Metering mode Pattern
Flash Flash did not fire, compulsory flash suppression
Colour space Uncalibrated
Focal plane X resolution 13,653.333333333
Focal plane Y resolution 13,633.136094675
Focal plane resolution unit inches
Sensing method One-chip colour area sensor
Custom image processing Normal process
Exposure mode Manual exposure
White balance Manual white balance
Digital zoom ratio 1
Scene capture type Standard

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