Friend's Email: Subject:I have found a book that I think you would enjoy
Yellowstone National Park...and Surrounding Areas, over 75 pictures in natural color
Yellowstone National Parkand Surrounding Areas over 75 pictures in natural color Author:Yellowstone Postcard Co. Pictures of Yellowstone National Park. There is no publication date, but the last date mentioned in the book is 1959. I am assuming by the age of the book it is from the 1960's.