another Ranger who showed Colored Slides on a Screen explaining how Yellowstone had been discovered - what the geological structure was- how this whole area at one time had been covered by the ocean and when this receded how the erosion was caused. He spoke of the trail trip they would take in the morning - showing pictures of what they would see and explaining the formations. They have four areas such as this in Yellowstone and each has it own contingent of Rangers to take care of the public. We saw all kinds of geysers - Mud Volcanoes- the most unbelievable things and at that we could only a very little time at each point of interest and of necessity had to pass up equally important points of interest. During our travels around the park we saw a total of twenty-nine bears. They would sit on the side of the road waiting for a car to come along. When the car would stop they would get up on their hind legs and hook the claws onto the window and wait for something to eat. The were quite persistent too, and when we started up the car would walk sideways until they finally had to let go. I must tell of another incident. Coming back from the Camp Fires after nine o'clock the kids had to go to the rest Room so went along with them. Some man was just ahead of us and as quickly as he turned into the Rest Room just as quickly did he come running back - shouting "There's a big there down there." Well that startled us but being nosy we decided to look and sure enough this great big bear (he must have weightd about 700 lbs.) was just turning the corner going the other way. We finished our job and when we