MINDELEFF.] FORMS OF FIELD SHELTER. 219 
Figs. 112 and 115 illustrate a much more elaborate field shelter in 
Tusayan. As may readily be seen from the figures this shelter covers a 
Fic. 112. A Tusayan tield shelter, from southwest. 
considerable area; it will be seen too that the upright branches that 
inclose two of its sides are of sufficient height to considerably shade the 
level roof of poles and brush, converting it into a comfortable retreat. 
Fig. 113. A Tusayau tield shelter, trom northeast. 
