SEED COLLECTION CAMP IN A ROCKY MOUN- 

 TAIN NATIONAL FOREST. SACKS ARE FULL 

 OF CONES GATHERED IN SURROUNDING 

 FOREST 



HARVESTING THE ANNUAL SEED 

 CROP 



FOREST RANGER WINNOWING YELLOW PINE 

 SEED AFTER TRA:\IPING IN A SACK TO SEP- 

 ARATE THE WINGS 



