About 1888 J. E. McNaughton of Barnumville and E. G. Bacon became proprietors of the "Green Mountain Telegraph Company ", connecting all offices on the Western Union line and extending over the mountain from Barnumville to Peru , Londonderry , South Londonderry , Lowell Lake , Windham , North Windham , Grafton , Cambridgeport , Saxton's River , and Bellows Falls .