Directory
References
cradle
mining tool
Also known as: rocker
Learn about this topic in these articles:
placer mining
- In placer mining
…pan was the rocker, or cradle, named for its resemblance to a child’s cradle. As it was rocked, it sifted large quantities of ore. Gravel was shoveled onto a perforated iron plate, and water was poured over it, causing finer material to drop through the perforations and onto an apron…
Read More