Journal of the Royal Society of Western Australia, 90(3), September 2007 
112° 114° 116° 118° 120° 122° 124° 126° 128° 
Figure 2. Locations of the observed astronomic-Helmert vertical deviations across Western Australia (Mercator projection). Triangles 
denote sites used by Featherstone (2006); circles denote the new sites. 
144 
