02-February-2008

Lilly Lake, Rocky Mountain National Park.

During a winter visit to Lilly Lake in Rocky Mountain National Park, I observed these two folks out in the middle of the frozen lake. What do you think that they are doing? To give you a hint, they are not ice fishing, but it does have to do with fish under a frozen lake. Please reply if you think you know what they were doing.

Winter Under Ice Dissolved Oxygen Level Measurement at Lilly Lake, Rocky Mountain National Park, Colorado. Image taken with a Nikon D3 and 24-70 mm f/2.8 lens (ISO 200, 70 mm, f/11, 1/125 sec) (David J Mathre)

Image taken with a Nikon D3 and 24-70 mm f/2.8 lens (ISO 200, 70 mm, f/11, 1/125 sec).

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Winter Under Ice Dissolved Oxygen Level Measurement at Lilly Lake, Rocky Mountain National Park, Colorado. Image taken with a Nikon D300 and 300 mm f/2.8 lens (ISO 200, 300 mm, f/8, 1/500 sec) (David J Mathre)

Image taken with a Nikon D300 and 300 mm f/2.8 VR lens (ISO 200, f/8, 1/500 sec).