I saw this marker for old ski tow on this map of Winant Park in Concord. It's definitely not Russel's pond or Snow Pond so I guess there's nothing about it on the Nelsap site. Anyone know anything about this tow?

PDF I got the screen cap from is at
https://5rct.org/wp-content/uploads/2016/10/Map-21-Winant-Park_revised.pdf