11. In 1959 and 1960, Goldfields Mining conducted a basic airborne electromagnetic survey and magnetic survey over the property. 12. The 1907 Sub-Antarctic Islands Scientific Expedition conducted a magnetic survey and also took botanical, zoological and geological specimens. 13. Akubra hats are very popular in Australia, but their steel rims must be removed before use on magnetic surveys . 14. It was found after an aerial magnetic survey pinpointed 26 sites where iron was detected on the ocean floor. 15. He built original and most accurate magnetic devices, stationary for the magnetic observatory in Pavlovsk and portable for magnetic surveys . 16. The continuity is evident in structural maps of basement rocks, in magnetic surveys , and in free air gravity field surveys. 17. The result was Sabine's magnum opus : as complete a magnetic survey of the globe as was then humanly possible. 18. The Vancouver-based explorer intends to conduct further stream sediment and till sampling and carry out an airborne magnetic survey this fall. 19. Sir Edward Sabine chose the observatory as one of his main stations when conducting a magnetic survey of Britain in 1858. 20. More recently, a magnetic survey was conducted over a portion of the village in 1982, and some testing was carried out in 1987.
