Roll 6: Yellowstone: Sunset at Grassy Lake - West Thumb geyser basin - "Old Faithful" geyser

Lewis and Clark fall (9 m)
		Fishing Cone geyser. Water temperature inside the funnel is 94oC (about 200F). Earlier one could catch a trout in the lake and cook it in the geyser without even taking it off the hook. Nowadays it is forbidden.
	The colonies of algae and bacteria in hot springs ...	... and how one takes pictures like the above

Roll 5 - end             Roll 6 - end