196 THE USE BOOK. 



When the day's mail consists of but one letter, however, the 

 letter should be folded and mailed in an envelope of the ordi- 

 nary size. Vouchers will not be inclosed with other mail. 



To maintain the standard of correspondence of the Forest 

 Service the following instructions will be carefully observed : 



Use direct, clear-cut language. Avoidjanwieldy words where 



shorter^ ^nnpier^ones will ^ejuirjess~t]ie-4dea^.aflually welLBe 



concise, but courteous. Avoid laborious statements, (he PSSPTTPP 



"of which TnTgnT^elTn3e__exp the space. _ 



Very fe^w~TeTfers~need be longer than one page. 



Never use the substance of the letter received as a preamble 



to the reply. Unless the incoming letter has already been 



acknowledged and further reference to it is necessary its subject 



.should not be indicated. Example: "In further reference^to, 



"*your letter QE of .March 20, concerning^ the^'repalr^of glack 



/Mountain cabin." 



For acknowledgments or replies the first sentence should 

 always refer to the initial in the upper left-hand corner of the 

 letter answered, and its date ; for example : "In reply to^your 

 OIjL_oOaJCCi^^ a colon and a new para- 



Except on printed forms, writing must be on one side of the 

 sheet only. 



All rangers' correspondence and reports must be in inkor 

 indej!ibleperic.il. 



- Supervisors will conduct all their correspondence in_fyppwrjt- 

 ^in^Bxcept when away from their offices. Machines will be fur- 

 nishedulJofi re'qtTtstttDTT. 



Letters and reports of subordinates transmitted by a super- 

 visor to the Forester must be originals, not copies made by the 

 supervisor. The supervisor will keep copies when needed for his 

 own records, or, when necessary, request the return of the 

 originals. 



All supervisors will register their telegraphic addresses at the 

 nearest telegraph office. In large towns this should be done with 

 both the Western Union and the Postal Telegraph companies. 

 This address, as it counts as part of the message, should consist 



