Students troll a stream for macroinvertebrates in Colorado. Photo courtesy Shortgrass Steppe LTER.
Students troll a stream for macroinvertebrates in Colorado.
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Nov 19, 2003Photo courtesy of:
Photo courtesy Shortgrass Steppe LTER. Students troll a stream for macroinvertebrates in Colorado. Photo courtesy Shortgrass Steppe LTER.