14 FOSSIL FORESTS OF YELLOWSTONE PARK. 



slightly below and behind it are two living pine trees, Avhich are about 

 the size it must have been when living. Another trunk, some 12 feet 

 in height, is shown in figure 7, and in figure 8 there may be noted a 

 standing trunk and above it another that has recently fallen. 



Fiu. 7. — Trunk showing bark, Specimen Ridge fossil forest. 



The height attained by the trees of this fossil forest can not be 

 ascertained with certainty, since the tallest trunk now standing is 

 only about 30 feet high, but every one observed is obviously broken 



