The trees selected in this study are part of a larger program
to study the variability and development of properties for
southern pine. Three trees were selected from each site.
The majority of this paper is concerned with a set of 55-yr
old loblolly pine (Pinus taeda L.) trees felled from a natural
regeneration stand in the Crossett Experimental Forest,
Crossett, AR. Periodic understory control was conducted via
a series of prescribed burns. Trees were also collected in