Lorblanchet, Michel, 2018. The Eagle Group at Gum Tree Valley. In Archaeology and Petroglyphs of Dampier (Western Australia), an Archaeological Investigation of Skew Valley and Gum Tree Valley, ed. Graeme K. Ward and Ken Mulvaney, chapter 4, pp. 283–416. Technical Reports of the Australian Museum, Online 27: 1–690.
[Excerpt] In the middle part of Gum Tree Valley, about equidistant from the upper reaches and the mouth of a gorge, the slopes diverge to form a kind of amphitheatre (cirque), the base of which is occupied by a large shell mound, 23 m in diameter and about 1.5 m high. The mound is formed by accumulations of Anadara granosa shells; most have not been disturbed and are intact (Fig. 4.1). The central midden of the middle of Gum Tree Valley (GTVE) thus resembles that of Skew Valley and most of shellfish mounds on the Dampier coast. This suggests that it is roughly contemporaneous with the Skew Valley mound about 1.2 km to the north. …
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