Click Here for More Images from iStock- 15% off with coupon 15FREEIMAGES 
Gravel quarry, California.
Witbank, South Africa – February 20, 2021: Witbank, South Africa - July 25 2011: Coal Ore on a conveyor belt for processing
Concrete production plant. Piles of crushed stone and sand.
Conveyor belt and pile of gravel in open-pit mining. No people.
Concrete plant. Toned Image.
Gravel pit sieve
Heavy machinery working in the quarry
Stockpile and conveyor belt at an open-pit copper mine in Copiapo, Chile
Industrial Gravel Quarry and Sand Stone Refinery
Aerial view of crushed stone quarry machine
Construction Industry, Factory, Mill, Industry, Manufacturing
Coal mining at an open pit
Cement factory, Venezuela
A conveyor belt in the construction site
Transportation and separation of gravel pebbles.
Machinery at gravel quarry separating soil from stone
Long exposure of mining and freight transportation of sand or coal and loading dumping the truck with help of shovel heavy machinery to excavation of earth
Concrete plant at sunset
Conveyor Belt for rock crushing at a construction site
Cement factory. Heavy industry. Building material industry.
Northern Territory, Australia, February 13, 2000: View of Gold Mine processing plant equipment and structures
Panoramic image of a gravel mine before sunset. Big machinery and a lot of sand and gravel.
Johannesburg, South Africa – April 02, 2024: Truck parked in an open field surrounded by piles of dirt
Conveyor belts in open-pit mine at sunset. No people.
A vintage unique looking asphalt factory is located along hundreds year old mountainside cliff in northern New Jersey
Plant for extraction and production of gravel and granite chips. Equipment for processing granite, processor for processing granite, gravel digging
quarry in North Carolina that turns stones into sand
Extraction of granite. Open cast mine. Stone Quarrying.
Close up of production line with small crushed stones and gravel
Free Images: "bestof:...Rock crusher at Six Companies' gravel screening and washing plant." - NARA - 293627.jpg Scope and content Photograph from Volume Two of a series of photo albums"
Papago_dry_washer.tiff
Project_365_#243:_310813_Season's_End.jpg
B-29's_being_subbed_out_to_Car_Companies?.png
portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
portugues-sexo_alemão-sex_ingles-sex_africano-seks_russo-секс_albanes-sex_chines-性別_bulgaro-секс_croata-spol_gales-rhyw_coreano-섹스_frances-sexe_japones-セックス_filandes-sukupuolesta_arabe-الجنس_prontos_ai_tens_em_15_linguas_a_p.jpg
"Rock_crusher_at_Six_Companies'_gravel_screening_and_washing_plant."_-_NARA_-_293627.tif
"Rock_crusher_at_Six_Companies'_gravel_screening_and_washing_plant."_-_NARA_-_293627.jpg
"Six_Companies,_Inc.,_gravel_screening_and_washing_plant._View_from_hill_southeast_of_plant."_-_NARA_-_293915.tif
"Six_Companies,_Inc.,_gravel_screening_and_washing_plant._View_from_hill_southeast_of_plant."_-_NARA_-_293915.jpg
"General_view_of_Six_Companies'_gravel_screening_and_washing_plant_at_Three-way_R.R._junction._View_from_hill_to..._-_NARA_-_293656.tif
"General_view_of_Six_Companies'_gravel_screening_and_washing_plant_at_Three-way_R.R._junction._View_from_hill_to..._-_NARA_-_293656.jpg
"Raw_aggregate_storage_piles_at_Six_Companies'_gravel_screening_and_washing_plant."_-_NARA_-_293628.tif
"Raw_aggregate_storage_piles_at_Six_Companies'_gravel_screening_and_washing_plant."_-_NARA_-_293628.jpg
"Group_including_members_of_the_Concrete_Consulting_Board_at_the_Six_Companies'_screening_and_washing_plant._From..._-_NARA_-_293630.tif
"Group_including_members_of_the_Concrete_Consulting_Board_at_the_Six_Companies'_screening_and_washing_plant._From..._-_NARA_-_293630.jpg
General_view_of_contractor's_sand_and_gravel_plant..._-_NARA_-_294028.tif
General_view_of_contractor's_sand_and_gravel_plant..._-_NARA_-_294028.jpg
Detail_of_sand_grading_machinery,_gravel_washing_and_screening_plant_-_NARA_-_294105.tif
Detail_of_sand_grading_machinery,_gravel_washing_and_screening_plant_-_NARA_-_294105.jpg
Contractor's_sand_and_gravel_plant._The_screening_and_washing_house_to_the_right_the_four_plant_conveyors_and_to_the..._-_NARA_-_294032.tif
Contractor's_sand_and_gravel_plant._The_screening_and_washing_house_to_the_right_the_four_plant_conveyors_and_to_the..._-_NARA_-_294032.jpg
Detail_of_installation_of_sand_and_gravel_grading_machinery,_gravel_screening_and_washing_plant_-_NARA_-_294124.tif
Detail_of_installation_of_sand_and_gravel_grading_machinery,_gravel_screening_and_washing_plant_-_NARA_-_294124.jpg
Gravel_screening_and_crushing_plant_at_Station_A95-00_-_NARA_-_298233.tif
Gravel_screening_and_crushing_plant_at_Station_A95-00_-_NARA_-_298233.jpg
Crusher,_screen,_and_hoppers_-_gravel_arrangement_at_Zapadni,_St._George_Island._-_NARA_-_297094.tif
Crusher,_screen,_and_hoppers_-_gravel_arrangement_at_Zapadni,_St._George_Island._-_NARA_-_297094.jpg
"Six_Companies'_high_level_concrete_mixing_plant_nearing_completion_at_Nevada_approach._Aggregate_storage_seen_at..._-_NARA_-_293805.tif
"Six_Companies_Inc._high_level_concrete_mixing_plant_showing_loading,_mixing,_and_control_decks_with_cement_storage..._-_NARA_-_293815.tif
"Six_Companies'_high_level_concrete_mixing_plant_and_cement_blending_plant."_-_NARA_-_293893.tif
"Six_Companies_Inc._high_level_concrete_mixing_plant_showing_loading,_mixing,_and_control_decks_with_cement_storage..._-_NARA_-_293815.jpg
"Six_Companies'_high_level_concrete_mixing_plant_and_cement_blending_plant."_-_NARA_-_293893.jpg
"Six_Companies'_high_level_concrete_mixing_plant_nearing_completion_at_Nevada_approach._Aggregate_storage_seen_at..._-_NARA_-_293805.jpg
"Cottages_erected_by_Six_Companies,_Inc.,_in_recently_developed_section_in_southeast_limits_of_Boulder_City_Nevada...._-_NARA_-_293623.tif
"Unloading_cement_at_Six_Companies_low_level_concrete_mixing_plant."_-_NARA_-_293636.tif
Aggregate_storage_at_Six_Companies'_Inc.,_high_level_concrete_mixing_plant._Conveyor_to_mixing_plant_proper_seen_at..._-_NARA_-_293816.tif
"Unloading_cement_at_Six_Companies_low_level_concrete_mixing_plant."_-_NARA_-_293636.jpg
"Cottages_erected_by_Six_Companies,_Inc.,_in_recently_developed_section_in_southeast_limits_of_Boulder_City_Nevada...._-_NARA_-_293623.jpg
Aggregate_storage_at_Six_Companies'_Inc.,_high_level_concrete_mixing_plant._Conveyor_to_mixing_plant_proper_seen_at..._-_NARA_-_293816.jpg
"Roller_bearings_for_belt_conveyor_leaving_gravel_screening_plant."_-_NARA_-_294131.tif
"Sand_and_gravel_plant._The_building_to_the_right_is_the_crusher_plant_from_which_the_conveyor_runs_to_the_balancing..._-_NARA_-_294030.tif
"Roller_bearings_for_belt_conveyor_leaving_gravel_screening_plant."_-_NARA_-_294131.jpg
"Sand_and_gravel_plant._The_building_to_the_right_is_the_crusher_plant_from_which_the_conveyor_runs_to_the_balancing..._-_NARA_-_294030.jpg
Plate_VI._A._Washing_monazite_gravel,_Cleveland_County..jpg
Rock Crusher.jpg
Looking_into_location_of_Six_Companies,_Inc.,_high_level_mixing_plant._Aggregate_bins_in_background._Forms_for_mixer..._-_NARA_-_293791.tiff
Looking_into_location_of_Six_Companies,_Inc.,_high_level_mixing_plant._Aggregate_bins_in_background._Forms_for_mixer..._-_NARA_-_293791.jpg
"Looking_Southwest_across_park_towards_Six_Companies'_area,_Boulder_City,_Nevada._View_shows_beginning_of_landscape..._-_NARA_-_293624.tif
"Automatic_graphic_recording_devices_at_Six_Companies'_low_level_concrete_rising_plant."_-_NARA_-_293625.tif
"Truck_mounted_drill_rig_used_by_Six_Companies_in_upper_portion_of_diversion_tunnels._Rig_is_seen_in_the_position_in..._-_NARA_-_293641.tif
"Looking_down_into_aggregate_conveyor_at_Six_Companies'_low_level_concrete_mixing_plant."_-_NARA_-_293644.tif
Dead_weight_test_on_one_of_Six_Companies'_20-ton_cableways._Span_is_designed_to_a_20-ton_capacity_and_is_being..._-_NARA_-_293807.tif
Double-decked_coach_used_in_transporting_Six_Companies,_Inc.,_workmen_from_Boulder_City_to_dam,_Capacity_150_men_-_NARA_-_293924.tif
"Truck_mounted_drill_rig_used_by_Six_Companies_in_upper_portion_of_diversion_tunnels._Rig_is_seen_in_the_position_in..._-_NARA_-_293641.jpg
"Looking_Southwest_across_park_towards_Six_Companies'_area,_Boulder_City,_Nevada._View_shows_beginning_of_landscape..._-_NARA_-_293624.jpg
"Automatic_graphic_recording_devices_at_Six_Companies'_low_level_concrete_rising_plant."_-_NARA_-_293625.jpg
"Looking_down_into_aggregate_conveyor_at_Six_Companies'_low_level_concrete_mixing_plant."_-_NARA_-_293644.jpg
Dead_weight_test_on_one_of_Six_Companies'_20-ton_cableways._Span_is_designed_to_a_20-ton_capacity_and_is_being..._-_NARA_-_293807.jpg
Double-decked_coach_used_in_transporting_Six_Companies,_Inc.,_workmen_from_Boulder_City_to_dam,_Capacity_150_men_-_NARA_-_293924.jpg
"Automatic_scale_dials_and_cement_batchers_at_Six_Companies'_low_level_concrete_mixing_plant."_-_NARA_-_293626.tif
"Loading_concrete_into_2-yd._bottom_dump_buckets_at_Six_Companies'_low_level_concrete_mixing_plant._Buckets_are..._-_NARA_-_293633.tif
"Looking_downstream_into_lower_Black_Canyon_from_point_on_Six_Companies'_construction_road_on_Nevada_side._Arizona..._-_NARA_-_293635.tif
"Truck_carrying_two_4-yard_agitators_being_loaded_at_Six_Companies,_Inc.,_high_level_concrete_mixing_plant._Concrete..._-_NARA_-_293817.tif
Workmen_going_on_shift_in_skip_operated_over_Six_Companies_Inc.,_Cableway_No._9_-_NARA_-_293826.tif
"Typical_interior_view_of_head_tower_of_one_of_Six_Companies_Inc.,_cableway_installations._View_from_switch_deck..._-_NARA_-_293827.tif
Boulder_Dam,_tail_tower_installation_for_Six_Companies'_cableway_installations_Nos._5_and_6_-_NARA_-_293892.tif
Boulder_Dam,_tail_tower_installation_for_Six_Companies'_cableway_installations_Nos._5_and_6_-_NARA_-_293892.jpg
"Loading_concrete_into_2-yd._bottom_dump_buckets_at_Six_Companies'_low_level_concrete_mixing_plant._Buckets_are..._-_NARA_-_293633.jpg
"Automatic_scale_dials_and_cement_batchers_at_Six_Companies'_low_level_concrete_mixing_plant."_-_NARA_-_293626.jpg
"Looking_downstream_into_lower_Black_Canyon_from_point_on_Six_Companies'_construction_road_on_Nevada_side._Arizona..._-_NARA_-_293635.jpg
Workmen_going_on_shift_in_skip_operated_over_Six_Companies_Inc.,_Cableway_No._9_-_NARA_-_293826.jpg
"Truck_carrying_two_4-yard_agitators_being_loaded_at_Six_Companies,_Inc.,_high_level_concrete_mixing_plant._Concrete..._-_NARA_-_293817.jpg
"Typical_interior_view_of_head_tower_of_one_of_Six_Companies_Inc.,_cableway_installations._View_from_switch_deck..._-_NARA_-_293827.jpg
Sand_and_coarse_aggregate_batchers_on_upper_batching_deck_at_Six_Companies'_low_level_concrete_mixing_plant._-_NARA_-_293629.tif
"Looking_upstream_into_Black_Canyon_toward_Hoover_Damsite_from_point_on_Six_Companies_Construction_road_on_Nevada_side."_-_NARA_-_293720.tif
Sand_and_coarse_aggregate_batchers_on_upper_batching_deck_at_Six_Companies'_low_level_concrete_mixing_plant._-_NARA_-_293629.jpg
"Looking_upstream_into_Black_Canyon_toward_Hoover_Damsite_from_point_on_Six_Companies_Construction_road_on_Nevada_side."_-_NARA_-_293720.jpg
Hoist,_conveyor_and_dump_drums_in_head_tower_No._5_of_Six_Companies_Inc.,_cableway._A_typical_arrangement._View_from..._-_NARA_-_293828.tiff
Hoist,_conveyor_and_dump_drums_in_head_tower_No._5_of_Six_Companies_Inc.,_cableway._A_typical_arrangement._View_from..._-_NARA_-_293828.jpg
Single_leaf_with_Lutheran_devotional_design,_Orb_of_the_Empire_created_through_devotional_writing,_Walters_Manuscript_W.728,_fol._W.728r_detail.jpg
Zhonghua Huiguan, San Francisco (6540).JPG
"Looking_downstream_into_the_excavation_for_the_Arizona_spillway._High_fill_at_left_is_runway_for_Six_Companies'..._-_NARA_-_293713.tif
Nevada_spillway_and_adjacent_terrain_as_seen_from_Arizona_rim_of_Black_Canyon._Head_towers_for_Six_Companies,_Inc...._-_NARA_-_293947.tiff
"Looking_downstream_into_the_excavation_for_the_Arizona_spillway._High_fill_at_left_is_runway_for_Six_Companies'..._-_NARA_-_293713.jpg
Nevada_spillway_and_adjacent_terrain_as_seen_from_Arizona_rim_of_Black_Canyon._Head_towers_for_Six_Companies,_Inc...._-_NARA_-_293947.jpg
Brady's lake 2007-01-27.png
Burnt terminals.JPG
My_recently_dropped_popular_shots.jpg
Project_366_#130:_290416_Feeling_Chipper.jpg
Flagge_DDG_Kosmos.gif
MNF-I_CG_Visits_1st_BCT,_4th_Inf._Div._'Raider'_Soldiers_DVIDS112197.jpg
British_Grenadier's_Bearskin_Cap.jpg
Automatic_switchboard,_150-ton_cableway_hoist_house_-_NARA_-_293942.jpg
Detail_of_carriage_of_permanent_150-ton_cableway_at_Boulder_Dam_-_NARA_-_293894.jpg
Detail_of_endless_conveyor_drum,_150-ton_cableway_hoist_house_-_NARA_-_293940.jpg
Five prospectors panning for gold in a creek, Alaska, 1897 (LAROCHE 193).jpeg.jpg
EMPL LF Fire Fighting Vehicle on MAN TGS 26.440. Spielvogel.jpg
"Cableway_runway_at_Elev._1360_above_Arizona_spillway_as_seen_from_hill_above_spillway_basin."_-_NARA_-_293742.jpg
US_Navy_030107-N-4953E-002_inspecting_aircraft_components_while_entering_data_into_the_Aeronautical_Material_Screening_Unit.jpg
Terms of Use   Search of the Day