
1874 – 1963
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Interim log grades for southern pine based on unit value of yard lumber outturn; development, analysis, quality indices
Southern Forest Experiment Station (New Orleans, La.)1953

Ponderosa pine tree grades and use for appraisal of timber quality
United States. Forest Service. Intermountain Forest and Range Experiment Station1955

A ponderosa pine tree classification for use in determining susceptibility to bark-beetle attack
United States. Bureau of Entomology and Plant Quarantine. Division of Forest Insect Investigations1929

Facts about the forest survey of the southern pine and hardwoods regions...
Southern Forest Experiment Station (New Orleans, La.)1931

Estimating past breast height diameters and bark thickness of aspen in the Central Rocky Mountains
H.T. Mowrer1985