Channels were dug between the lakes along the upper part of the route, which caused the water level in some of the lakes to drop by as much as 15 feet [5 m].
فشُقت المجاري بين البحيرات ابتداء من اول الطريق الجديد ،‏ مما جعل مستوى المياه ينخفض في بعض البحيرات ٥ امتار تقريبا .‏