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Taken 29-Sep-12
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Photo Info

Dimensions3184 x 2120
Original file size1.05 MB
Image typeJPEG
Color spacesRGB
Date taken29-Sep-12 10:30
Date modified29-Sep-12 14:27
Shooting Conditions

Camera makeNIKON CORPORATION
Camera modelNIKON D3
Focal length35 mm
Focal length (35mm)35 mm
Max lens aperturef/2.8
Exposure1/500 at f/3.2
FlashNot fired
Exposure bias-1/3 EV
Exposure modeAuto
Exposure prog.Aperture priority
ISO speedISO 640
Metering modePattern
Digital zoom1x

Tribune photo by Aaron Piper/ United States Fish and Wildlife Service volunteer Ralph Cooley shows a Webelo Scout group from Indianapolis that what they thought was algae on a pond was actually a type of plant called duckweed. The scouts visited Muscatatuck National Wildlife Refuge on National Public Lands Day to learn about the outdoors.