Dirt road runs within about 200 m of depression. The property is protected from development by the Chestnut Woods Association.;Sinkhole marsh on acid colluvium above Tonoloway limestone bedrock. Sinkhole sits on the divide between Little Run and Moyer Run, in an ancient Tertiary stream valley. Two paper birch trees are 40 m east of pond/marsh. This depression has no surface outlets or inlets.