https://alsphotographyblog.blogspot.com/2010/07/scenic-sunday-black-sand-basin.html
Al's Photography Blog: Scenic Sunday - Black Sand Basin (Yellowstone)
A short drive from the Old Faithful area takes you to Black Sand Basin, which contains a couple of pools and geysers. Emerald Pool was spect...
black sand basinphotography blogscenic sundayalyellowstone