Friends of the Arcata Marsh (FOAM) is sponsoring a free tour of the Arcata Marsh & Wildlife Sanctuary on Saturday, October 23. Meet leader Barbara Reisman at 2 p.m. in front of the Interpretive Center on South G Street for a 90-minute walk focusing on plants and/or Marsh ecology. Bring a mask to comply with current COVID rules. For more information, call (707) 826 -2359.