An underground channel supplied water from above the falls to the manufacturing plant where it was used to drive water wheels or turbines to provide mechanical manufacturing power at the mill.
42.
It has a number of special exhibits on Muscat's water springs, the ancient wells, underground channels, the souks, houses, mosques, harbors and forts.
43.
Numerous access holes or " ojos " ( eyes ) were placed along the surface of the underground channels and operated much in the same way that modern manholes do.
44.
It is difficult to tell how long these underground channels are because extant " puquios " have been altered and many of the puquios are too dangerous to explore underground.
45.
The creek's larger flow contributed to form the present day gorge, significantly increasing the distance from the bottom of the water flow to the roof of the underground channel.
46.
Since the completion of the rail connection and the road from Steinach to Neuhaus at the turn of the 20th century, the Lauscha river is largely confined to an underground channel.
47.
The impoundment of the river forced water to back up through underground channels, leading to the formation of Couchville Lake, the small lake situated near the center of the park.
48.
The name Karezat refers to the karezes, underground channels with vertical access shafts, used to transport water from an aquifer under a hill, in the villages of the tehsil.
49.
Underground channels passing under the fencing, designed to protect Ceuta from flooding, are reportedly a particularly weak spot, and the upgrading project will block them off with heavy duty wire.
50.
The inland swamps are particularly interesting as mangroves thrive in salty water; in this case, the saltwater arrives through underground channels rather than the usual tidal wash of coastal mangrove swamps.