Galvanic corrosion is a process that degrades metals electrochemically. This corrosion occurs when two dissimilar metals are located in contact with each other in the presence of an electrolyte, such as salt water, forming a galvanic cell.
But the memories of that tragic day 25 years ago are still vivid to many in Edmond. On Aug. 20, 1986, gunman Patrick Henry Sherrill shot and killed 14 co-workers, wounded six and then took his own life inside the post office where he worked.
Bucknell also had a shop and bakery in the Square and its own corn mill which was situated at the west end of the village. Bucknell Post office opened in the mid 19th century. The original post office was just round the corner and still goes by the name of The Old Post Office. The butcher's shop is still on its original site. After World War I a Memorial Hall was built in the village and still stands.