DCHP-1 Online
muck (out) 
1 v. Placer Mining remove muck (def. 1).
- 1910 "One . . . got a job . . . down de shaft muckin' up and fillin' de buckets."
- 1957 It seems that but few of those who mucked, sweated, froze, and starved for the yellow stuff ever had any lasting benefit from it.
2 v. Hardrock Mining remove muck (def. 2).
- 1959 The miners . . . who contracted to work the mine were "mucking" (taking out blasted rock) from the floor of the vertical shaft. . . .
- 1964 Mining in the pits will constitute benching of the ore-body in 35-foot lifts by drilling large diameter down-holes and blasting, then mucking with two 3 1/2 cu.yd. shovels. . . .
- 1910 "One . . . got a job . . . down de shaft muckin' up and fillin' de buckets."