sentences:  The Juliana Canal was constructed in the 1920s and 1930s, and opened in 1935.It was important for the development of coal mining in southern Limburg (terminated in the 1970s), since it is suited for larger ships than the older Zuid-Willemsvaart, which runs from 's-Hertogenbosch to Maastricht, partly through Belgium.The Juliana Canal runs parallel to the Meuse, at maximum 3 km east of the river.