61 



much opportunity for misunderstanding, and frequently the letters are not con- 

 vincing. If a forest officer knows that a map is wrong, he should be able to indicate 

 the error and his proposed correction upon the map. 



LANDS. 

 Claims, Settlement, and Administrative Sites 



The Secretary of Agriculture has approved regulations and instructions thereunder 

 relating to claims, settlement, and administrative sites. These are being printed 

 and will be ready for distribution at an early date. 

 Trespass Regulations Approved 



On August 5 the Secretary of Agriculture approved regulations and instructions 

 thereunder relating to trespass upon National Forests. They have been printed and 

 are ready for distribution. 



SERVICE PUBLICATIONS ISSUED. 



Bulletin 75. California Tanbark Oak. 



Bulletin 85. Chaparral. 



Bulletin 86. Windbreaks: Their Influence and Value. 



Bulletin 90. Relation of Light Chipping to the Commercial Yield of Naval Stores. 



Bulletin 91. Grazing and Floods: A Study of Conditions in the Manti National 

 Forest. 



Bulletin 94. Scrub Pine. 



Bulletin 97. Coyote-Proof Inclosures in Connection with Range Lambing Grounds. 



Circular 185. "Colombian Mahogany": Its Characteristics and Its Use as a Substi- 

 tute for True Mahogany. 



Circular 186. Consumption of Preservatives and Quantity of Wood Treated in the 

 United States in 1910. 



National Forest Manual Trespass. 



Unnumbered Circular National Forest Fire-Protection Plans. 



