Their wood very closely resembles that of the longleaf pine and is often difficult to distinguish from it.
longleaf pine is as widely used as any softwood in this country.
In mechanical properties it rates about the same as longleaf pine of the South.
The longleaf pine is preëminent in importance in the lumber trade and in the production of naval stores.
Johnson considers shortleaf pine as good as longleaf pine of equal weight, and suggests environment as a means of identification.
These crude beginnings established an industry now known as the "orcharding" of the longleaf pine.
The result is that many extensive tracts where longleaf pine once grew in abundance have few young and scarcely any old trees now.
But it was our job to give the Forestry Division accurate knowledge of the longleaf pine left in Georgia.
The sapwood of the latter species greatly exceeds in thickness that of longleaf pine.
Specifications for paving blocks often require that longleaf pine be 90 per cent heart.