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(56 of 72)
In this photo you can see the upper and lower openings of the pothole along the right side of the photo as well as the semi-circular pothole and its petro toward the center of the photo. Notice also that there seem to be some cupules and two crossing lines in the shallow hollow between the two potholes. A closer look will also turn up two horizontal lines composed of pecked cupules that almost look like "waterline" markers near the bottom portion of the boulder.
56 of 72