4 Decades of Opening Windows to the World: Mountain Lake PBS Turns 40! On March 6, 1977, Mountain Lake PBS first came into our living rooms. Le 6 mars 1977 est le jour où Mountain Lake PBS a fait sa première apparition dans nos salons. The world of television and media was very different 40 years ago. There were only a few channels, and instead of HD, 3D and 4K, we had black and white with static. By the time Mountain […]