332 



FOREST PRODUCTS 



timber, except in the last-named state. These mines use wood prin 

 cipally in the sawed timber form. 



The following table from Kellogg shows the quantity and cost of tim 

 ber used in mines in 1905: 



The following table shows the kind and quantity of timber used in 

 the 5163 mines of this country, according to the figures compiled by Kel- 

 logg. Oak constitutes by far the most important species among the 

 hardwoods and the pines constitute about one-half of all of the softwoods. 



Softwoods. 



Round Timber, 

 Cubic Feet. 



Sawed Timber, 

 Board-feet. 



