AAPRILPRIL 22021021 • IISSUESSUE 221111 ABN 71 000 876 040 ISSN 1443-2471 NEWS AND COMMENTARY FEATURES Farewell Richard Lane Universal horizontal slab and The Wild, Wild West spherical cap Bouguer corrections Tracking geological features The fi rst gravity measurements Regularising and mixing points in Australia with grids ASEG federal executive 2020–21 David Annetts: President (Conference Advisory Committee Chair, Mark Duffett (Technical Standards Committee Representative) Near Surface Geophysics Specialist Group President) Tel: +61 3 6165 4720 Tel: +61 411 756 129 Email:
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[email protected] Marina Pervukhina (Professional Development Committee Chair) Kate Robertson: President Elect Tel: +61 8 6436 8746 Tel: +61 8 8429 2564 Email:
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[email protected] Tel: +61 407 856 196 Suzanne Haydon (Membership Committee Chair) Email:
[email protected] Tel: +61 417 882 788 Ted Tyne: Past President (Publications Committee Co-Chair) Email:
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[email protected] The ASEG Secretariat Yvette Poudjom Djomani (Branch Liaison) The Association Specialists Pty Ltd (TAS)