Educators especially: I encourage you to use anything you find here that is useful to your mission educating people about Earth science. E-mail me if it would help to have a larger or higher-resolution version of any of the images.
Saw a black-throated blue warbler this morning: another first for the birding year. Also hiked 10 miles, 8.2 of them w/ 7 Rockies students. posted 2 hours ago