Excellent photography Myrddin. Was that digital? Makes me sick to think of people wanting to destroy our beautiful country. We've been to Yellowstone many times and each time it is always new to us. Did you see any wildlife on your hike?
I resized the picture to load more quickly on a web browser. The original picture consumed 2.4 MB with 5 megapixel resolution. The resized dropped to 159 Kbytes.