The Spawn Area Sinkage is an anomaly located near the Bridge. The Spawn Area Sinkage also referred to as the Spawn Area Depression, Spawn Area Dugout, etc., is a geological anomaly added in on 12/14/15 (noteworthy, it isn't in the changelog). It is located near the Bridge, behind a cluster of rocks where a Good Dinosaur billboard and the Kung Fu Panda 3 billboard once sat on (Left of the River Tunnel entrance). It is semi-circular in shape. It retains the basic properties as the surrounding mountainside--brown in coloration, slate material. It is about one stud deep and is generally unnoticeable from a distance. It is around evening and morning were the shadows it casts are large enough to be spotted from the gravel road down below. This depression is presumably made with Solid Modeling (