2 BULKETIN 1119, U. S. DEPARTMENT OF AGRICULTUEE. 



valuations, thus compiling in one volume the entire lumber produc- 

 tion figures of the Government which are regarded as sufficiently- 

 reliable and comparable for ordinary reference. 



Diagrams have been introduced to illustrate other features of in- 

 terest, such as the national lumber production during the past cen- 

 tury, production by the several lumbering regions for 50 years, 

 numerous cm^ves of production by species, the quantity and mill 

 value of lumber consumed per capita since 1890, the trend of prices 

 of yellow pine and Douglas fir, and the relation of annual growth to 

 consumption. 



ACKNOWLEDGMENTS . 



The 1920 statistics for the western States were collected through 

 the district offices of the Forest Service at Missoula, Denver, Albu- 

 querque, Ogden, San Francisco, and Portland. The reports for New 

 York were collected by the New York Conservation Commission. 

 The work for the rest of the States east of the Rocky Mountains was 

 done in the Washino-ton office of the Forest Service. 



Acknowledgment is made for assistance in the collection and com- 

 pilation of reports on which this bulletin is based to A. B. Strough, 

 New York State Conservation Commission; and to C. N. Whitney, 

 District 1; Miss F, Kuth Waters, District 2; Quincy Randies, Dis- 

 trict 3; N. J. Fetherolf, District 4; C. L. Hill, District 5; and C. W. 

 Gould, District 6, of the Forest Service. 



The National Lumber Manufacturers' Association, through its affili- 

 ated organizations, assisted in securing reports from certain mills. 

 As in previous years, the Bureau of the Census, U. S. Department of 

 Commerce, extended helpful cooperation. 



