Jan 19, Wed {WW} Ski William O’Brien State Park. 16821 O'Brien Trail North, Marine on St. Croix, MN. State Park permit and Minnesota Ski Pass required. Meet at 10:15am at the Interpretive Center. Ski at 10:30am for about 2 hrs. Bag lunch. FFI: Madeleine Kerr kerrx010@umn.edu or Audry Nordwall nord564@hotmail.com