21. When the facility opened, it assured a navigable channel up to the tail end of Saint Anthony Falls upriver in Minneapolis. 22. Thomas Telford artificially raised the level of the loch by many feet to provide a navigable channel for the Caledonian Canal. 23. The U . S . Supreme Court in 2001, locating the state border at the center of the river's navigable channel . 24. River was included into the 1971 Moscow General Development Plant which constitutes special emphasis on the construction of Eastern Navigable Channel . 25. A navigable channel , "'Cooper Sound "', nearly wide, separates Cooper Island from the coast of the main island of South Georgia. 26. "' Skipsea Castle "'was a artificial lake that was linked to the sea during the medieval period via a navigable channel . 27. The East Channel is navigable as far as Gloucester Docks, from where the Gloucester and Sharpness Canal provides a navigable channel south. 28. Three years before his death he was awarded a US patent for construction of navigable channels at the mouth of the mississippi. 29. It is more irregular in outline and discharges into Lagoa dos Patos through a navigable channel known as the S�o Gon�alo Channel. 30. All other conditions of navigable channel such as the width and current of flow etc . were also found to be very favourable.