Fig. 4From: Triassic chirotheriid footprints from the Swiss Alps: ichnotaxonomy and depositional environment (Cantons Wallis & Glarus) a–c Photogrammetric models and overview of La Veudale N (Emosson region) tracksite, with c as coloured depth model. d Map of La Veudale N footprint surface with distribution of archosaur footprints corresponding to area in the photogrammetric model; scale in centimetres. Photogrammetric models by Peter FalkinghamBack to article page