Australian gold rushes offered rewards by the Colony of New South Wales and the Colony of Victoria. Before the end of the year, the gold rush had spread to many other parts of the state where gold had been found, not just to the west, but also to the south and north of Sydney. The Australian gold rushes changed the convict colonies into more progressive cities with the influx of free immigrants. These hopefuls, termed diggers, brought new skills and professions, contributing to a burgeoning economy. The mateship that evolved between these diggers and their collective resistance to authority led to the emergence
Porcupine Gold Rush their employees. The mines peaked between the 1940s and 50s, but continue to produce gold to this day, although the many smaller mines have been consolidated into a small number of larger holdings. By 2001, 67 million troy ounces of gold have been mined from the Porcupine area, making it by far the largest gold rush in terms of actual gold produced. For comparison, the well-known Klondike Gold Rush produced about 12 million troy ounces. The Porcupine rush, along with the Cobalt Silver Rush and Kirkland Lake Gold Rush, all in the early 20th century, drove most of the settlement