Three stellar performances of “Mary Poppins, Jr.” treated Meeker residents last weekend. The classic musical, presented by the Meeker Arts and Cultural Council’s Center Stage Youth Theatrical Group and the Eastern Rio Blanco Metropolitan Recreation and Park District. This was the ninth annual musical presented by the CSYTG since the group was created in 2010 by MACC founders Gary and Laurie Zellers, and featured youth from third through eighth grade as cast…