
This was our first stop when we got into Yellowstone last September. It was a rainy, dreary day, which is perfect weather photographing waterfalls.

These photos are from the Minnesota Valley National Wildlife Refuge. These were taken in December 2009 on a few very cold days. Temperatures were around 4° F in the middle of the afternoon. The power poles are from the Black Dog power generating plant. The steam is from the warm water being produced by the...