Haynes served from 1779-1782 in the Revolutionary War.  In 1831, when he finally applied for a veteran’s pension at age 70, he included an inventory of all his property…

SOURCE: View Elisha Haynes’ pension application at www.EpsomHistory.com …
The following year, in 1832, Haynes added another declaration that clarifies his family situation and health status.

“Skumsborough” is probably a corruption of Skenesborough (now called Whitehall), NY.

Some other reference links:
Fort Ticonderoga
Lord Cornwallis
Col. Joseph Cilley (of Nottingham)