Fig. (a)—Lake Alabaster and the pvke River Valley. The Red Hills in the middle distance, the North Bivnena Peaks with the summit-level of the Olivine Range on right. Fig. (b)—The Lower Hollyford River Valley The Skippers Range in middle the mouth of the Pyke River and Lake McKenow beyond which appears a portion of the dissected coastal plateau (Sara Hills).—Copyright An Photographs by Mr. V. C. Browne