Figure 3 in Extensive vertebrate tracksite from the Upper Red Formation (middle-late Miocene), west Zanjan, northwestern Iran

Figure 3. Outcrop of Chehrabad tracksite, photographed by the quadcopter UAV, and its sketch, extracted from high-resolution UAV photos. The lower highlighted part of the slab was traced on transparent plastic (Fig. 4). Scale bar represents 1 m. Quadrangles show position of Fig. 9a–d.