Show LOCATING LIBEI ITY TRUES in concecion conne cion clon with the lilack black walnut census which president wilson has asked the boy scouts Scout ot america to undertake henry S graves the chier chief of the united states forest service lias bas written a letter to tile the hoy boy scouts explaining why the need lor for the lle work Is urgent the tremendous forest resources of 0 the united states col gramps graves states in the letter will undoubtedly be a very important factor in the winning of the war for the allies one of 0 the most essential timbers timber stor for war purposes as the president points out is tile the black walnut with the exception ot of mahogany which has to jo be imported and thus burdens the other wood is so well adapted adapt edl tor for shipping facilities of the country no other snood is so well adopted adapted for airplane propel propellers lors since tour four or five propellers are required rei ird lor for each airplane and since black walnut is scarce ail ami only tile the best grade can call be utilized tor for tills this purpose it is important for file lie government to lo know immediately tile the location ot of all available supplies walnut is also the chief wood used for gunstocks gun stocks I 1 1 I believe that tile boy scouts are performing por forming a cioe valuable patriotic service in undertaking this work let me to urge you to impress upon tile the farmers ot of tile the country the importance of properly conserving their forests and especially propagating such valuable species I 1 as the black walnut which lias has appropriate ly been called the liberty tree |