File:Petroxestes borings Ordovician.jpg

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move approved by: User:Martin H.

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Description	Petroxestes borings in an Upper Ordovician hardground, southern Ohio.
Date	9 May 2007 (original upload date)
Source	Photograph taken by Mark A. Wilson (Department of Geology, The College of Wooster).
Author	Original uploader was Wilson44691 at en.wikipedia
Permission ( Reusing this file)	Released into the public domain (by the author).

Licensing

This work has been released into the public domain by its author, Wilson44691 at the wikipedia project. This applies worldwide.

In case this is not legally possible:
Wilson44691 grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Ordovician

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.

Exposure time	0/1 sec (0)
F-number	f/0
Lens focal length	0 mm
Orientation	0
Horizontal resolution	600 dpi
Vertical resolution	600 dpi
File change date and time	06:55, 4 October 2001
Y and C positioning	Co-sited
Exif version	2
Date and time of digitizing	06:55, 4 October 2001
Image compression mode	5.021
Shutter speed	0
APEX aperture	0
APEX brightness	0
Exposure bias	0
Subject distance	0 meters
Flash	Flash did not fire
Colour space	sRGB

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