Australian gold rushes been found on his station at Clunes in March 1850. Bruhn also explored the countryside and found quartz reefs in the vicinity. "This information he promulgated through the country in the course of his journey." One of the people to whom Bruhn communicated this information was James Esmond who was at that time engaged in erecting a building on James Hodgkinson's station "Woodstock" at Lexton about 16 miles (25 km) to the west of Clunes. This then indirectly led to the first gold rush in Victoria from Esmond's subsequent discovery of payable gold at Clunes in July 1851. Bruhn also
Australian gold rushes managed by the National Trust of Australia (WA) states:The gold rush transformed the Western Australian economy as gold production soared from 22,806 ounces in 1890 to 1,643,876 ounces in 1900 and this was matched by the fourfold increase in WA's population from 46,290 in 1890 to 184,124 reported in the 1901 census. Gold was rediscovered near Tarnagulla on 6 November 1906 (Melbourne Cup Day), when a miner who had prospected the district for years obtained seven ounces of gold from a shaft nineteen feet (6 metres) deep. With some fairly large nuggets being found soon after, the so-called Poseidon rush,