This tree, called the Monarch White Pine, was the tallest and largest of the old growth pines that formed the core of the Hartwick Pines State Park. This image shows the size of the base of the tree, where measurements of circumference are taken.
The sign states:
The Monarch White Pine, Height 150 feet, Diameter 51inches, Circumference 13 feet, 8 inches, Approximately 6000 board feet in this tree.
–The tree was damaged in a storm in 1992 and died 4 years later. This image likely dates from the 1930s.