Sentence:  In 1879 the same Clark Wait , with H. H. Holley of South Dorset , formed the `` American Telegraph Line '' , <WSD>extending</WSD> from Manchester Depot via Factory Point and South Dorset to Dorset . 
Meaning of the word marked with <WSD> tags:  stretch out over a distance, space, time, or scope; run or extend between two points or beyond a certain point