'9 
ing pace with the increase of population, upon the natural forest 
supply, are significant facts, which when collated and published will 
no doubt fully justify the supposition that, considering the losses, the 
demand, the supply and the distribution of the forests, and the avail- 
ability for general use, that the available supply of White Oak must 
become exhausted at no distant period, and that as the White Oak is 
MOUNTAIN PINE (PINUS MONTANA). 
a tree of slow growth, and can not be now plantedjand grown in time 
to replace the exhaustion of the available natural forest supply, it is 
evident that in this country as in Europe, resort must be had” to the 
wood of the European Larch. There can be no question, therefore, 
that if Larch plantations be made now, that there will be a profitable 
demand for their products long before the timber will have grown to 
be of sufficient size for railway ties and other uses. 
