Point-center quarter method black spruce heights, diameter, and location for 150 mature black spruce sites in interior Alaska

This data set contains stand density measurements using the point-center quarter method at 150 extensive black spruce sites in interior Alaska collected in the summers of 2000, 2001, 2002 across the interior of Alaska along the Taylor highway, Alaska highway, Parks highway, Elliot highway, Steese highway, and Dalton highway.