Alexander Black (surveyor)
Alexander Black was a Scottishborn surveyor who worked for most of career in Victoria, Australia and was Surveyor General of Victoria for six years from 1886.
Black was born at Arndilly, Banffshire, Scotland. After training as a land surveyor in Aberdeen and working locally, he migrated to Victoria in 1852. He worked in the Castlemaine goldfields then returned to Melbourne and joined the Victorian government survey office. His work included the survey of the BlackAllan Linethe eastern straightedge portion of the border between the Australian states of New South Wales and Victoria.
Source: Wikipedia