To prohibit, with some exceptions, the Commissioner of Public Lands from selling or harvesting any ancestral trees located on public lands west of the crest of the Cascade mountains. "Ancestral trees" means a contiguous stand of trees of similar characteristics that is five acres or larger in size, is in the most structurally complex stage of stand development, and has a natural origin date prior to the year 1850.   Official Text and Analysis.

To clarify that harvest of ancestral trees within the Olympic Experimental State Forest may only be done consistent with the habitat conservation plan for the forest, and directs the Commissioner of Public Lands to suspend the prohibition on the harvest of ancestral trees if it is determined that the prohibition would result in the reservation of more than 1,000 acres from harvest than is currently protected.