322 AX^^UAL EEPOETS OF DEPARTMENT OP AGRICULTURE. 



vately owned lands in Klamath County. Oreg., and Modoc County, 

 Calif., led to a combined request f or V survey and report by this 

 bureau. Following tjie report Congress appropriated $150,000 to be 

 expended by the Departments of Agriculture and Interior, in co- 

 operation with private owners and the State of Oregon, in conduct- 

 ing control o])erations on this area under the supervision of repre- 

 sentatives of this bureau through a board of control. A cooperative 

 organization was effected under an agreement between the two de- 

 partments — Agriculture and Interior — and the private owners rep- 

 resented by the Klamath Forest Protective Association. Control crews 

 and camps were organized and Avork Avas started in May and com- 

 pleted June 15, 1922. Seven thousand and seventy-nine infested trees, 

 representing 6,672.490 board feet, on an area of 68,620 acres, were 

 felled and l)arked, and the bark burned, at a total cost of $30,488.6:'. 

 Approximately $4,000 has been expended on this project from the 

 bureau allotment and a considerable amount was expended in makinir 

 preliminary surveys from the regular appropriation for forest in- 

 sect investigations. 



The Antelope control project. — The Antelope project is located 

 in northern California on privately owned lands: the cost of the 

 w^ork was paid by the owners, and the supervision was by a repre- 

 sentative of the bureau at the Ashland, Oreg.. station. On this area 

 8,200 trees were treated in 1921 and 1.765. on about 10.500 acres, were 

 treated in 1922. 



The San Joaquin research and control troject. — The San Joa- 

 quin project in California includes both research and control work 

 in cooi)eration with the Forest Service. The principal control work 

 was completed in 1919, but experiments and studies, with reference 

 to methods of maintaining control, have been continued from our 

 field station at North Fork, Calif. 



FiGUEROA control PROJECT. — Tliis projcct is in the Santa Barbara 

 National Forest, Calif., and was conducted in cooperation with the 

 Forest Service. Sixty-four trees infested by the western pine beetle 

 on 2.400 acres were treated, at a cost of $200 to the Forest Service 

 and about the same to this bureau. 



Arrowhead Lake control project. — This ]iroject is located in the 

 San Bernardino Mountains of California, embracing an area of 

 about 5.000 acres of ])rivately owned and about 8,000 acres of Na- 

 tional Forest land. The work was conducted by the private owners 

 under the supervision of representatives of this bureau. Twenty 

 yelloAv pine and 44 Coulter pine trees infested with the western pine 

 beetle were treated, representing a volume of 77,080 board feet, at 

 a cost to the private owners of $304. 



Grand Canton-Katbar Control Project. — This is a cooperative 

 project between the Forest Service. Park Service, and Bureau of 

 Entomology, on an area 8 by 28 miles, in the Grand Canyon Na- 

 tional Park and Kaibab National Forest, Ariz. Five thousand six 

 hundred and eighty-three pine trees, representing over 1,000,000 

 board feet, infested by the Black Hills beetle were treated, at an 

 approximate cost of $7,150 to the Forest Service, $1,180 to the 

 Park Service, and $2,700 to the Bureau of Entomology. 



Surveys and reports. — In addition to the responses to requests for 

 surveys and reports on Government and privateh' owned timber 



