He discovered deposits of limestone at the site of what was to become Ipswich.
On the farm, Henry discovered large deposits of coal, shale and clay.
Now even his competition would have to come to him-or else tax themselves and their resources in discovering new deposits of the mineral.
O'Conner continued to move northwards where he discovered deposits of gold.
The majority of early prospectors had no training and relied mainly on luck to discover deposits.
My theory is that you can discover deposits of polymetallic ore by looking for radioactive water.
After 1949 geological exploration discovered deposits of more than 130 useful minerals.
The poor quality of the ground at the building site became apparent quickly, when the workers discovered deposits of diatomaceous earth just below the surface.
And Uganda has discovered large new deposits of oil and gas that will help to lift its economy.
Shell's efforts are being watched with interest by other major companies, like Exxon, which has also discovered potentially large deposits in the gulf's deep waters.