aerial point of view over lake mead and hoover dam / border of arizona + nevada - 胡佛水壩 個影片檔及 b 捲影像00:38
"speed work on dam! boulder city, colo - sec'y of interior wilbur inspects hoover dam, power and irrigation project, to be finished about 1937" / a... - 胡佛水壩 個影片檔及 b 捲影像01:33
"begin boulder dam! las vegas, nev. - site of gigantic power project, named for president hoover, is visited by sec'y of interior wilbur" / crowd... - 胡佛水壩 個影片檔及 b 捲影像01:33
towering over the colorado river, boulder dam, later renamed hoover dam, is filmed during the beginning of its construction. mine carts and cars are... - 胡佛水壩 個影片檔及 b 捲影像00:25
"boulder dam rising from river bed! greatest project in history 18 months ahead of schedule" / an aerial view of boulder dam under construction with... - 胡佛水壩 個影片檔及 b 捲影像01:18
two overhead shots of wooden footings of foundation of dam on canyon floor / dump truck backed up to concrete mixing plant / large bucket carrying... - 胡佛水壩 個影片檔及 b 捲影像01:03
ws aerial view of car, van moving on hoover dam bypass bridge / arizona, united states - 胡佛水壩 個影片檔及 b 捲影像00:27
hoover dam at boulder city nevada near las vegas on the arizona border showing lower water levels in lake mead reservoir due to long-term drought conditions in the american southwest - 胡佛水壩 個影片檔及 b 捲影像00:08
nature conquered as mighty colorado is diverted from age-old course in boulder canyon" / boulder canyon at arizona, nevada border / vs looking down... - 胡佛水壩 個影片檔及 b 捲影像01:40
"thousands rush construction on giant hoover dam - greatest reclamation project keeps army of workmen busy" / two wide overhead shots of bridge... - 胡佛水壩 個影片檔及 b 捲影像00:48
view from above of colorado river in canyon, tilt down along canyon to group of cameramen on rim, pan along canyon to diversion tunnel portals in... - 胡佛水壩 個影片檔及 b 捲影像00:55
water from the dam inundates the valley below the spillways / note: exact day not known - 胡佛水壩 個影片檔及 b 捲影像00:10
ws pov aerial view of barren rugged rock mountains to hoover dam with lake mead in background / nevada, arizona, usa - 胡佛水壩 個影片檔及 b 捲影像00:12
following 8 years of construction, a wide shot shows the recently completed hoover dam, nevada, u.s.a., 1936. - 胡佛水壩 個影片檔及 b 捲影像00:11
ws aerial view of hoover dam and bypass with cars driving / arizona, united states - 胡佛水壩 個影片檔及 b 捲影像00:36
title "tva" superimposed over overhead panning shot of boulder dam under construction in arizona / us representative lister hill speaking to camera,... - 胡佛水壩 個影片檔及 b 捲影像00:35
push-in shot of the hoover dam and the mike o'callaghan–pat tillman memorial bridge appearing from behind a mountaintop - 胡佛水壩 個影片檔及 b 捲影像00:24
hoover dam construction site nearing completion / colorado river, united states - 胡佛水壩 個影片檔及 b 捲影像00:21
wide shot time lapse clouds in blue sky over hoover dam and lake mead on border of nevada + arizona - 胡佛水壩 個影片檔及 b 捲影像00:40水力發電
view of colorado river in canyon, hoover dam construction site upstream in near distance, portals of diversion tunnels in canyon wall in foreground /... - 胡佛水壩 個影片檔及 b 捲影像01:27
cables hang down on canyon wall above hoover dam construction site on colorado river, tilt down wall to workmen dangling on cables planting explosive... - 胡佛水壩 個影片檔及 b 捲影像01:48
dam under construction w/ crane moving large piece of material. hoover dam . san francisco-oakland bay bridge w/ cars moving on bridge. bridge column. - 胡佛水壩 個影片檔及 b 捲影像00:15
boulder dam was dedicated in 1935 by president roosevelt / arial view of boulder or hoover dam / people gathered at observation deck as president... - 胡佛水壩 個影片檔及 b 捲影像00:43
the mike o'callaghan-pat tillman memorial bridge appears behind the two arizona intake towers and the two nevada intake towers as they stand on the... - 胡佛水壩 個影片檔及 b 捲影像00:22
the two arizona intake towers and two nevada intake towers remain on the upstream side of the hoover dam on july 25, 2026 in the lake mead national... - 胡佛水壩 個影片檔及 b 捲影像00:14
foot-wide by 150-foot-tall american flag is suspended across the hoover dam on june 30, 2026 in the lake mead national recreation area, nevada.... - 胡佛水壩 個影片檔及 b 捲影像00:29
road from las vegas to the hoover dam- wide shot - scenic view road - push forward - 胡佛水壩 個影片檔及 b 捲影像00:23
during the construction of boulder dam, later renamed hoover dam, workers chisel rock off the canyon's cliffs. the dam is built and the gate is... - 胡佛水壩 個影片檔及 b 捲影像00:28
b/w 1936 wide shot water shootinng from hoover dam on colorado river / nevada / newsreel - 胡佛水壩 個影片檔及 b 捲影像00:02
b/w 1936 huge jets of water flowing from valves of hoover dam / nevada / newsreel - 胡佛水壩 個影片檔及 b 捲影像00:03
large bucket dumping cement / workers stepping in wet cement / worker climbing scaffolding of unfinished dam - 胡佛水壩 個影片檔及 b 捲影像00:11
1936 montage opening of hoover dam, voice of franklin roosevelt, colorado river, usa, audio - 胡佛水壩 個影片檔及 b 捲影像00:17
the hoover dam in the black canyon on the border between nevada and arizona / note: exact year not known - 胡佛水壩 個影片檔及 b 捲影像00:09
numerous shots of huge spillways at boulder dam releasing vast jets of water / note: exact month/day not known - 胡佛水壩 個影片檔及 b 捲影像01:29
canyon of the colorado river that impounds lake mead, the largest reservoir in the u s, shots of the curved surface side of the hoover dam in boulder... - 胡佛水壩 個影片檔及 b 捲影像01:39
boats and personal watercraft cruise past a white "bathtub ring" of mineral-stained rocks left by higher water levels in the narrows upstream of the... - 胡佛水壩 個影片檔及 b 捲影像00:17
the sun shines on the downstream face of the hoover dam on july 25, 2026 in the lake mead national recreation area, nevada. this month, the combined... - 胡佛水壩 個影片檔及 b 捲影像00:12
boats cruise past a white "bathtub ring" of mineral-stained rocks left by higher water levels in the narrows upstream of the hoover dam north of one... - 胡佛水壩 個影片檔及 b 捲影像00:26
foot-wide by 150-foot-tall american flag is suspended across the hoover dam on june 30, 2026 in the lake mead national recreation area, nevada.... - 胡佛水壩 個影片檔及 b 捲影像00:25
foot-wide by 150-foot-tall american flag is suspended across the hoover dam on june 30, 2026 in the lake mead national recreation area, nevada.... - 胡佛水壩 個影片檔及 b 捲影像00:21