Algae Image Library
This Page is the "Gateway" to Bowling Green University Biology Department archive of 185+ digitized images. The archive consists mostly of light images of cleaned diatoms generated by Rex Lowe's labor...

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Digital Image Library
The National Biological Information Infrastructure collection of digital images. Images have been contributed by over 20 individuals and organizations, with the goal that their images be available for...

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Earth Science World Image Bank
The Earth Science World Image Bank is a service provided by the American Geological Institute (AGI). This Image Bank is designed to provide quality geoscience images to the public, educators, and the ...

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Gypsy Moth
This site provides information,lesson plans, powerpoint presentations, and clip art of the gypsy moth in Wisconsin.

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Microsoft Office Clip Art
More than 150,000 free images and sounds available from Microsoft Office Online.

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National Image Library
The United States Fish and Wildlife Service's online collection of public domain photographs.

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NOAA Photo Library
A large collection of images documenting the diverse activities of the National Oceanic and Atmospheric Administration.

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PA Game Commission Public Photo Gallery
Photos provided in this gallery are shot by agency photographers and field personnel and may be used in publications or for personal use, without charge or permission. The agency, however, does ask th...

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Smithsonian Animal Photo Gallery
Photo library of animals at the National Zoo; can be used for fair use educational, non-commercial purposes.

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The History of Philadelphia's Watersheds and Sewers
Compiled by Adam Levine ,Historical Consultant Philadelphia Water Department. "It has been my pleasurable challenge, as a consultant to the Philadelphia Water Department (PWD) since 1998, to try to p...

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