By 1840, use of the Wilderness Road had declined, as advances in engineering had enabled waterway travel via the Erie Canal and through the rivers of the Ohio Valley.
直到1840年，由于先进的工程技术使经由伊利运河穿越俄亥俄山谷中河流的水路运输成为现实，这条荒野之路的用途开始下降。
Greening engineering is a part of Sunan Canal regulation project.
绿化工程是苏南运河整治工程中的一个组成部分。
This paper describes the method of channel survey and technical control essentials of inland rivers (mainly canal), which provide a reference for similar engineering survey.
列举内河(主要是运河)航道测量方法和主要技术控制的要点，可供类似工程测量借鉴。
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