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a cradle is a mining machine that was used to mine gold in the goldfield in 20th centry
The mining cradle, also known as a rocker box, was invented by William Tom Jr in 1851. It was used in gold mining operations.
The cradle
is needed to to load rocks and dirt into the pan and cradle
gold
california gold rush
In 1848, gold was found in California. by 1849, the news of this gold discovery sent many people from the East to travel to California to seek their fortunes in gold mining. The Gold Rush helped to populate California.
Gold mining
In the Gold Rush. hydraulic mining was a law to protect the enviorment! Hydraulic mining can ruin the enviorment!
Nevada, California, Colorado.
Gold mining.
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