THE USE BOOK. 177 



Persons having instruments connected with Forest 

 Service lines must agree to the following conditions : 



To immediately repair any breaks or remove any 

 cause of trouble occurring on their lines; that is, that 

 part of the lines from their instruments to the Forest 

 Service line. To disconnect their lines from the Forest 

 Service line during any period exceeding one week in 

 length when their houses are not occupied. To permit 

 Forest officers to use their instruments and lines free of 

 charge, and to allow Government business to have pre- 

 cedence over all private business. To install a telephone 

 instrument, to be approved by the Forest officer, of such 

 make and construction as not to interfere with the best 

 operation of the Forest Service line. 



When it is necessary to construct lines across other 

 than Government lands, right of way should be obtained 

 from the owners of the land on a form which can be 

 obtained from the Forester. 



The supervisor will, in his recommendations for telephone 

 lines within his Forest, report on the following points: 



The length of the lines it is recommended to build during the 

 year covered by the estimate, and the suggested extension of 

 these lines during the year following. 



The distance between towns, settlers' houses, rangers' head- 

 quarters, and lookout points to be touched by the recommended 

 line, and the number and location of instruments to be installed. 



The kind, quality, and height of the timber available for 

 poles along the proposed route, noting distances which poles 

 will have to be hauled to the line. 



If cooperative work, exactly what wi'll be contributed toward 

 its construction and maintenance in money, labor, tools, or con- 

 struction material. 



(><u;21 (H) 12 



