gold dredge
placer mining machine that extracts gold from sand, gravel, and dirt using water and mechanical methods
en-US/ˈɡoʊld ˈdɹɛd͡ʒ/
en-GB/ˈɡəʊld ˈdɹɛd͡ʒ/
placer mining machine that extracts gold from sand, gravel, and dirt using water and mechanical methods