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gruentensee-dam-observation-deck-247751.jpg
Sand_and_coarse_aggregate_batchers_on_upper_batching_deck_at_Six_Companies'_low_level_concrete_mixing_plant._-_NARA_-_293629.tif
Sand_and_coarse_aggregate_batchers_on_upper_batching_deck_at_Six_Companies'_low_level_concrete_mixing_plant._-_NARA_-_293629.jpg
Panorama_of_upstream_face_of_upstream_cofferdam._Crest_of_fill_at_maximum_elevation_720._Concrete_surface_in_progress_-_NARA_-_293790.jpg
Panorama_of_upstream_face_of_upstream_cofferdam._Crest_of_fill_at_maximum_elevation_720._Concrete_surface_in_progress_-_NARA_-_293790.tif
"Three-view_panorama_from_top_of_east_abutment_._The_Eastmix_concrete_plant_under_construction_appears_in_the_center..._-_NARA_-_294277.tif
"Three-view_panorama_from_top_of_east_abutment._The_Eastmix_concrete_plant_under_construction_appears_in_the_center..._-_NARA_-_294278.tif
"Three-view_panorama_from_top_of_east_abutment._The_Eastmix_concrete_plant_under_construction_appears_in_the_center..._-_NARA_-_294279.tif
"Three-view_panorama_from_top_of_east_abutment_._The_Eastmix_concrete_plant_under_construction_appears_in_the_center..._-_NARA_-_294277.jpg
"Three-view_panorama_from_top_of_east_abutment._The_Eastmix_concrete_plant_under_construction_appears_in_the_center..._-_NARA_-_294278.jpg
"Three-view_panorama_from_top_of_east_abutment._The_Eastmix_concrete_plant_under_construction_appears_in_the_center..._-_NARA_-_294279.jpg
Concrete_gun_carriage_used_in_placing_110_degree_top-arch_concrete_in_diversion_tunnels_-_NARA_-_293688.tif
Concrete_gun_carriage_used_in_placing_110_degree_top-arch_concrete_in_diversion_tunnels_-_NARA_-_293689.tif
Concrete_gun_carriage_used_in_placing_110_degree_top-arch_concrete_in_diversion_tunnels_-_NARA_-_293688.jpg
Concrete_gun_carriage_used_in_placing_110_degree_top-arch_concrete_in_diversion_tunnels_-_NARA_-_293689.jpg
Panorama_of_canyon_rim_above_Hoover_damsite_on_the_Nevada_side._From_left_to_right_are_seen,_Operating_tower_for..._-_NARA_-_293808.jpg
Panorama_of_general_works_area_taken_from_top_of_forebay_slope_on_the_east_side_-_NARA_-_294096.tif
Panorama_of_general_works_area_taken_from_top_of_forebay_slope_on_the_east_side_-_NARA_-_294097.tif
Panorama_of_general_works_area_taken_from_top_of_forebay_slope_on_the_east_side_-_NARA_-_294098.tif
Panorama_of_general_works_area_taken_from_top_of_forebay_slope_on_the_east_side_-_NARA_-_294096.jpg
Panorama_of_general_works_area_taken_from_top_of_forebay_slope_on_the_east_side_-_NARA_-_294097.jpg
Panorama_of_general_works_area_taken_from_top_of_forebay_slope_on_the_east_side_-_NARA_-_294098.jpg
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