All extraction workers not listed separately.

Supervises and coordinates activities of workers engaged in strip or pit mining or in quarrying

studies contour maps and aerial photographs to determine locations for roads and cuts. Supervises road construction crew and lays out blast pattern. Supervises drilling and shooting... [+] More

Supervises and coordinates activities of workers engaged in strip or pit mining or in quarrying

studies contour maps and aerial photographs to determine locations for roads and cuts. Supervises road construction crew and lays out blast pattern. Supervises drilling and shooting crews in drilling blast holes and detonation of charges. Plans location of spoil pile (dump area) to allow maximum room for stripping. Coordinates stripping, drilling, blasting, quarrying, and loading activities, and assists workers with faulty equipment. Determines property lines and legal limits of operations in order to comply with rights of adjoining property owners and mining laws. Schedules running and major repair work on drilling machine and stripping and loading shovels. Requisitions supplies, such as explosives, lubricants, bits, and machine parts. Observes mining operation to detect violation of safety regulations and compiles safety and production records. May supervise crushing operations. May train new workers. May be designated according to specific work performed as supervisor, drilling and shooting; supervisor, blasting. Performs other duties as described under supervisor. [-] Less

Supervises and coordinates activities of workers engaged in quarrying dimension stone

schedules production or maintenance assignments of workers. Marks area or dimensions of blocks to be removed from stone mass, using chalkline. Fills blast holes with blasting agents and detonator, and... [+] More

Supervises and coordinates activities of workers engaged in quarrying dimension stone

schedules production or maintenance assignments of workers. Marks area or dimensions of blocks to be removed from stone mass, using chalkline. Fills blast holes with blasting agents and detonator, and notifies workers to evacuate area. Detonates explosive, using blasting machine, to separate block from stone mass blaster. Signals hoisting engineer to lift blocks from pit to stockpile area. Inspects blocks for defects such as cracks or discolorations. Computes dimensions of and marks identifying data on blocks. Fastens dogs into drilled holes in stone to facilitate loading on truck. Compiles production and shipping records. Performs other duties as described under supervisor. [-] Less

Operates and... [+] More

Operates and tends mechanical or electrical dumping equipment to dump materials, such as grain, raw materials, coal, or ore, from mine cars, railroad cars, or trucks into bins or onto conveyor for storage, reloading, or further processing, using one of two separate methods.

Method 1

Observes that car or truck is spotted accurately on bed of rotary dump. Moves controls to secure clamps over couplings that hold car while being tipped. Starts motor or pulls lever that tips car and dumps contents. Releases clamps to remove car. Method 2

Opens bottom or side doors of car or truck spotted over gravity dump. Moves controls to lower car shakeout device into car and to start vibration that loosens remaining coal or ore. May hook winch cables to cars to draw them onto dumping bed. May couple and uncouple cars. May be required to maintain records of unloading operations. [-] Less

Drives truck equipped with dump body to transport and dump loose materials, such as sand, gravel, crushed rock, coal, or bituminous paving materials. Requires a commercial driver's license.

Pulls levers or turns crank to tilt body and dump contents. Moves hand... [+] More

Drives truck equipped with dump body to transport and dump loose materials, such as sand, gravel, crushed rock, coal, or bituminous paving materials. Requires a commercial driver's license.

Pulls levers or turns crank to tilt body and dump contents. Moves hand and foot controls to jerk truck forward and backward to loosen and dump material adhering to body. May load truck by hand or by operating mechanical loader. [-] Less

Calculates estimated size of load on truck entering dump grounds. Receives fees based on size of load and type of material dumped. Keeps record of truckloads and money received. Steers truck drivers to designated dumping areas. May weigh truck, using scale, to determine amount of load.

Drives truck equipped with dump body to transport and dump loose materials, such as sand, gravel, crushed rock, coal, or bituminous paving materials. Requires a commercial driver's license.

Pulls levers or turns crank to tilt body and dump contents. Moves hand... [+] More

Drives truck equipped with dump body to transport and dump loose materials, such as sand, gravel, crushed rock, coal, or bituminous paving materials. Requires a commercial driver's license.

Pulls levers or turns crank to tilt body and dump contents. Moves hand and foot controls to jerk truck forward and backward to loosen and dump material adhering to body. May load truck by hand or by operating mechanical loader. [-] Less

Operates and... [+] More

Operates and tends mechanical or electrical dumping equipment to dump materials, such as grain, raw materials, coal, or ore, from mine cars, railroad cars, or trucks into bins or onto conveyor for storage, reloading, or further processing, using one of two separate methods.

Method 1

Observes that car or truck is spotted accurately on bed of rotary dump. Moves controls to secure clamps over couplings that hold car while being tipped. Starts motor or pulls lever that tips car and dumps contents. Releases clamps to remove car. Method 2

Opens bottom or side doors of car or truck spotted over gravity dump. Moves controls to lower car shakeout device into car and to start vibration that loosens remaining coal or ore. May hook winch cables to cars to draw them onto dumping bed. May couple and uncouple cars. May be required to maintain records of unloading operations. [-] Less

Performs any combination of following tasks in rock quarry

removes mud and muck from surface of stone, using pick, shovel, and steam hose. Chips irregularities from stone slabs to produce uniform, rectangular shapes and reduce shipping weights, using pick. Loosens blasted... [+] More

Performs any combination of following tasks in rock quarry

removes mud and muck from surface of stone, using pick, shovel, and steam hose. Chips irregularities from stone slabs to produce uniform, rectangular shapes and reduce shipping weights, using pick. Loosens blasted stone, using pick and crowbar. Cuts notches (dog-holes) in blocks of stone with pick and hammer, and attaches hoisting cables, hooks, or slings to stone. Breaks stone into pieces, using sledgehammer. Loads broken rock into boxes to be hoisted from quarry, using shovel, stone fork, or hands. Loosens blasted stone with bar or pick and skids rock into position for breaking. [-] Less

Supervises and coordinates activities of workers engaged in transporting and joining pipe to provide outlet for excavated material discharged from dredge. Directs workers engaged in connecting pipe, tightening joints, and guiding pipe sections into place. Performs other duties as described under supervisor.