Uluru advises: It is sometimes reported that those who take rocks from the formation will be cursed and suffer misfortune. There have been many instances where people who removed such rocks attempted to mail them back to various agencies in an attempt to remove the perceived curse. Archaeological findings to the east and west indicate that humans settled in the area more than 10,000 years ago. Europeans arrived in the Australian Western Desert in the 1870s. Uluru and Kata Tjuta were first mapped by Europeans in 1872 during the expeditionary period made possible by the construction of the Australian Overland Telegraph
Local attraction Iron ores or magnetic rocks while as artificial sources consist of steel structures, iron pipes, current carrying conductors. The iron made surveying instruments such as metric chains, ranging rods and arrows should also be kept at a safe distance apart from compass. Local attraction at a place can be detected by observing bearings from both ends of the line in the area. If fore bearing and back bearing of a line differ exactly by 180°, there is no local attraction at either station. But if this difference is not equal to 180°, then local attraction exists there either at one