FIG. 7. Aerial photograph of Fossil Forest Hill at 1067 m altitude. (N.B. At this altitude, it is calculated that the aircraft was 795 m above the valley floor, or 713 m above the highest point of Fossil Forest Hill). Note that the East Hill is at the right side of the lower edge of the photograph (Photograph by H.P. Roy, PCSP survey, 1989). The overlay shows all mapped stumps. Also noted are the collapse basins, and the A, B, C and D ranges of erosion markers. The lines show the approximate position of the permanent marker ranges. The floating markers extend considerably farther.
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