DCHP-1 Online
dump-box Placer Mining, Hist. 
n. a box used in washing the dump.
See also: dump ((n.)) (def. 1a)
- 1868 (1962) Wash! Wash! Wash!/And rattle the rocks around,/Is the song the Dump-box sings. . . .
- 1869 (1960) . . . the dance now most appreciated is that which is induced by the monotonous music of the water as it runs over a glittering dump-box.
- 1868 (1962) Wash! Wash! Wash!/And rattle the rocks around,/Is the song the Dump-box sings. . . .