It was not until 1904 that prospecting in the neighbourhood was again undertaken.
The California gold discoveries and overland travel directed many prospecting adventurers to Arizona.
Tin-mining is a flourishing industry near Puket on the west coast of the Malay Peninsula, and since 1905 much prospecting and some mining has been done on the east coast.
The hydraulic stream came into use as early as 1852 (or 1853) when prospecting of the higher ground made it certain that the " deep " or " high " gravels - i.e.
As early as 1861 gold discoveries were made on the Stikine river; repeated discoveries, culminating in the Cassiar district "boom," were made in British Columbia from 1857 to 1874; colourings along the Yukon were reported in 1866-1867 and systematic prospecting of the upper river began about 1873.