Here is what I have for Seven Springs so far:Dan,
Its been a few years since I have been up there. Seven Springs was using UHF repeater and simplex for all operations
463.325 PL 167.9 - Ski Patrol and ski slope operations (grooming, and snow making).
461.975 PL 186.2 - Ski School.
I have more listed for resort operations and security. Last they were personally verified was 2007-2008