File:Muidu bedrock mortars.jpg

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	00:20, 4 December 2008		3,872 × 2,592 (4.8 MB)	commons>J.smith	{{Information \|Description={{en\|1=The Muidu Indians used grinding stones (or Bedrock Mortars) as a cooking utensils. Along with a stone pestle these holes were used to grind acorns and grain as part of the food preparation process. }} \|Source=Own work by

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Camera manufacturer	NIKON CORPORATION
Camera model	NIKON D60
Exposure time	1/125 sec (0.008)
F Number	f/5.6
ISO speed rating	200
Date and time of data generation	12:29, 3 December 2008
Lens focal length	55 mm
Orientation	Normal
Horizontal resolution	300 dpi
Vertical resolution	300 dpi
Software used	Ver.1.01
File change date and time	12:29, 3 December 2008
Y and C positioning	Co-sited
Exposure Program	Not defined
Exif version	2.21
Date and time of digitizing	12:29, 3 December 2008
Image compression mode	4
APEX exposure bias	0
Maximum land aperture	5 APEX (f/5.66)
Metering mode	Pattern
Light source	Unknown
Flash	Flash did not fire
DateTime subseconds	10
DateTimeOriginal subseconds	10
DateTimeDigitized subseconds	10
Color space	sRGB
Sensing method	One-chip color area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Digital zoom ratio	1
Focal length in 35 mm film	82 mm
Scene capture type	Standard
Contrast	Normal
Saturation	Normal
Sharpness	Normal
Subject distance range	Unknown