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.
In March, 1952, Diamond passed a $102,000 bond issue to drill a 1,000 foot well and provide a water system for the city. This project was completed in March, 1959 with the installation of a water tower and a 50,000 gallon tank.hen a post office was acquired in 1883, Frank Whitwell renamed the town Diamond. The first post office in the woodworking room at the back of the blacksmith shop. A number of events helped to establish the town of Diamond.