crowd with vertical concrete structure and grandstand beyond / vs gov. earl warren steps to podium and presses switch on box and light turns on /... - 溢洪道 個影片檔及 b 捲影像00:43加州
"great central valley project gets underway" / flyover view of friant dam, millerton lake, san joaquin river / vs the dam with spillways opening; pan... - 溢洪道 個影片檔及 b 捲影像00:35加州
electric mining car / vs water pouring from hydroelectric dam spillway with power lines; generators/turbines in facility / vs steam shovel scooping... - 溢洪道 個影片檔及 b 捲影像03:39
the overspill, standing high and dry at the hoover dam on lake mead, nevada, usa, following a four year long drought. - 溢洪道 個影片檔及 b 捲影像00:15
syrian engineers on wednesday carried out maintenance work to open a spillway to relieve the pressure of water on the tabqa dam but were targeted by... - 溢洪道 個影片檔及 b 捲影像02:28
"man-made niagara saves great dam, conowingo, md. - spillways loose millions of gallons to relieve water pressure on $52 000 work" / conowingo dam,... - 溢洪道 個影片檔及 b 捲影像01:12
frozen water on spillway at bottom of dam / three shots of partially built dam / object being lifted by crane from truck to top of dam / another... - 溢洪道 個影片檔及 b 捲影像00:52
the gatineau river with thousands of floating logs / two men pole a boat through the wood and one jumps from the boat and runs across the logs / high... - 溢洪道 個影片檔及 b 捲影像01:04
expansive view of the dam; airplanes fly overhead with water gushing though spillway; vs views from top of the dam to the river far below / aerial of... - 溢洪道 個影片檔及 b 捲影像01:36
crowd with vertical concrete structure beyond / people applaud spinning vertical steel component of hydroelectric facility / vs aerials: view of... - 溢洪道 個影片檔及 b 捲影像01:09
map of canada pinpointing and labeling mineral deposits // vs aerial of city and smokestacks; views of mining town's main street; storefronts with... - 溢洪道 個影片檔及 b 捲影像02:27
ws aerial pov view of gristmill and distillery at mount vernon / fairfax county, virginia, united states - 溢洪道 個影片檔及 b 捲影像00:11
ws zo aerial pov wheel and spillway at pierce mill in rock creek park / washington dc, united states - 溢洪道 個影片檔及 b 捲影像00:33
numerous shots of huge spillways at boulder dam releasing vast jets of water / note: exact month/day not known - 溢洪道 個影片檔及 b 捲影像01:29
ws aerial pov view of los angeles aqueduct / los angeles, california, united states - 溢洪道 個影片檔及 b 捲影像00:33加州, 美國
ws tu aerial pov view of tehachapi afterbay with mountain in background / los angeles county, california, united states - 溢洪道 個影片檔及 b 捲影像00:29加州
ws aerial pov view of tehachapi afterbay with mountain in background / los angeles county, california, united states - 溢洪道 個影片檔及 b 捲影像00:17加州
ws aerial pov view of tehachapi afterbay with mountain in background / los angeles county, california, united states - 溢洪道 個影片檔及 b 捲影像00:14
ws aerial pov shasta dam and mount shasta in background at northern california, california - 溢洪道 個影片檔及 b 捲影像00:21美國, 水力發電, 加州
ws aerial pov sacramento river with bridge, shasta dam in background at california - 溢洪道 個影片檔及 b 捲影像00:31
ws aerial pov folsom dam on the american river of northern california, california - 溢洪道 個影片檔及 b 捲影像00:17加州
ws tu aerial pov american flag on folsom dam of northern california, california - 溢洪道 個影片檔及 b 捲影像00:16
dark rain clouds gather over lush venezuelan mountains and a concrete spillway. - 溢洪道 個影片檔及 b 捲影像00:16
an arched bridge spans a channeled river above a wide spillway with the minneapolis, minnesota skyline in the background. - 溢洪道 個影片檔及 b 捲影像00:09