FAMOUS TREES 



23 



Figure 12. — Lincoln Oak, Washington. D. C. 



Mullan Tree (western white pine) in the Ccenr d'Alene National 

 Forest, bears the inscription, "MR July 4, 1861/' a marker for the 

 military road to the building of which Captain Mullan was assigned. 

 From the date, the canyon which the road followed received its 

 name, "Fourth of July Canyon." It is known to all who travel 

 the Yellowstone Trail (fig. 13). 



Indian trail trees. 



Back and forth across the vast extent of the United States, there once existed 

 a great network of Indian trails. Some of these were important routes of 

 travel, linking trade centers of the various tribes. Others were hunting trails, 



