concrete-lined tunnel
31Söderledstunneln — The Söderledstunneln (South Way Tunnel) is a tunnel between the Central Bridge and the Johanneshov Bridge on the island of Södermalm in Stockholm. It is 1550 metres long and transverses the island from north to south.Building started on 9 October …
32Lake Vyrnwy — Infobox lake lake name = Lake Vyrnwy image lake = Pictures 1406.jpg caption lake = View overlooking Lake Vyrnwy in Powys showing the full extent of the lake image bathymetry = caption bathymetry = location = Wales coords =… …
33Shaft mining — Abandoned mine shafts in Marl, Germany. A …
34Condit Hydroelectric Project — Condit Dam Condit Hydroelectric Project was a development on the White Salmon River in the U.S. state of Washington. It was completed in 1913 to provide electrical power for local industry and is listed in the National Register of Historic Places …
35Scofield Reservoir — Infobox lake lake name = Scofield Reservoir image lake = Scofield.jpg caption lake = Scofield Reservoir and dam image bathymetry = caption bathymetry = location = Carbon County, Utah coords = coord|39|46|N|111|09|W|region:US UT… …
36Grand Canal (China) — Grand Canal of China in Suzhou The Grand Canal (simplified Chinese: 大运河; traditional Chinese: 大運河; pinyin: Dà Yùnhé) in China, also known as the Beijing Hangzhou Grand Canal (simplified Chinese …
37California Aqueduct — Official name Governor Edmund G. Brown California Aqueduct Begins Clifton Court Forebay, Contra Costa County …
38Oroville-Thermalito Complex — Region: Northern California Nearest City(s): Oroville Thermalito, CA Operator(s): Department of Water Resources, State of California (aka: DWR) …
39Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
40Engineering Projects — ▪ 1995 Introduction BRIDGES Notable Engineering Projects(For Notable Engineering Projects in work, see Table (Notable Engineering Projects).) As the decade of the 1990s reached its midpoint, the limits to bridge design were being… …
