Slippery Rock yard sale scheduledSLIPPERY ROCK — St. John’s United Methodist Church, 418 Hallston Road, will have a yard sale from 9 a.m. to 4 p.m. Friday and 9 a.m. to 2 p.m. Saturday.

Open house planned at parkCLINTON TWP — The Friends of Spring Valley Park, 220 Victory Road, will host this year’s open house at the park beginning at 10 a.m. Saturday.Scout Troop 58 will conduct the first flag-raising on the new flagpole at noon.There will be trail tours and opportunities to view the new toddler playground and Eagle Scout projects, completed and proposed.Astronomy club members also will share information about star gazing and telescopes.