WLS - Western Lancaster Sudoku series. Find the nine geocaches and be sure to collect the 27 digits you need to fill the Sudoku puzzle. When you have all 27 digits, solve the puzzle to obtain the coordinates for the final container for GC8GC1H.
This cache is at posted coordinates.
Park at Charlestown Park parking. Please use stealth if people are playing basketball or disc golf or in the pavilion. It is most definitely in the park. DO NOT GO INTO NEIGHBOR'S YARD.
Congratulations to NoBlueCircles, beetle bum, and the littlest circle on FTF.