This collection includes aerial photos and descriptions of geological features in the midwestern and western United States. They are free for noncommercial educational use.
The Freshwater and Marine Image Bank is an ongoing digital collection of images related to freshwater and marine topics, in all their diversity. It includes images of fish, shellfish, and marine...
More than 80,000 digital images are available for online searching. Images include plants, animals, people, landscapes, and others; many of them are also linked to other datasets online. A variety of...
This webpage, part of the USDA Forest Service's "Forest Health Protection" site, contains images of insects found in the Pacific Northwest region of the United States. The insects are organized by...
The images in this gallery are uncopyrighted freeware and are provided for educational purposes. Many of these images were taken from field samples. The measurements are approximate and not reliable...
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