It’s certainly a milestone year for Ponoka’s Fort Ostell Museum, which is marking 50 years of showcasing the community’s rich heritage. “It’s a busy, happening place, and it’s very exciting to be a part of it,” said Sara Konig, the museum’s manager. She started with the museum back in January. “April 1 was pretty amazing for the museum, because the current board met that night. And it was on April 1, 1976, that the museum society signed their of…