This letterbox cache (there is a stamp and ink pad in the container) is at Climbers Run Nature Center which is owned by the Lancaster Conservancy. It is open only dawn to dusk. This cache is placed with permission. You must ask to place caches on Lancaster Conservancy property.
The posted coordinates take you to an information sign. The container is not there. Solve two puzzles to get the coordinates.
Find the small white letters on brown at upper left of the sign. Use those words to get A, B, and C from
--B----C- -C-- --- -----A--
--B-- --- --B-- A-------- ---
A-- -----C---, -----C-.
In the brown text in the lower part of the sign, how many thousands of acres of mature forests and natural lands? Let that digit be X.
The letterbox is at N 39 55.AXC W 76 17.XXB
Extra waypoints are for Lancaster Conservancy activities teaching geocaching and navigation.