Nine-Years Ago (04-November-2007) — Colorado

Mary’s Lake. Autumn in Rocky Mountain National Park. Exit to the Alva B. Adams tunnel (or how Colorado river water makes it east of the continental divide). Image taken with a Nikon D2xs camera and 70-200 mm f/2.8 lens (ISO 100, 70 mm, f/11, 1/80 sec).

Alva B. Adams tunnel draining into Mary's Lake. Autumn in Rocky Mountain National Park. Image taken with a Nikon D2xs camera and 70-200 mm f/2.8 lens (ISO 100, 70 mm, f/11, 1/80 sec). (David J Mathre)
Alva B. Adams tunnel draining into Mary’s Lake. Autumn in Rocky Mountain National Park. Image taken with a Nikon D2xs camera and 70-200 mm f/2.8 lens (ISO 100, 70 mm, f/11, 1/80 sec). (David J Mathre)

Author: David Mathre

I am a scientist by training (Eckerd College, BSc; Caltech, Ph.D.). I worked for 27 years as a Chemist in the Pharmaceutical Industry developing processes to manufacture medicines for human and animal health. I now spend my time as a photographer updating images in My Image of the Day Photoblog, and My eBird (with images of nearly 450 bird species). hope post COVID-19 to be a world traveler again. My interests include the natural world, wildlife, landscapes, sky, and seascapes, travel, and astrophotography. I look for unique ways of viewing the world and presenting my images. I have traveled to over 55 countries in six continents, often on Semester at Sea voyages. While at home in New Jersey, I spend time on home renovation and expansion of a wildflower garden/meadow.

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