S2Rates of growth in the value of standing timber can vary greatly from stand to stand and from tree to tree. In Maine, the compound annual rate of change in stand value between the two most recent forest inventories ranged from -12 to +43 percent. Faced with this kind of variation, forest managers can use help in determining financial rates of return for their woodland. From analyses of forest inventory data we have developed guides for estimating value growth potential for trees in New England. S3.