This is one example of many castles in the medieval time period. There were many parts to a castle. But, it depended on how the castle was built to recognize parts that did and did not appear on the castle built.
Like spray paint, these markers give off volatile organic compounds. Some of the most recently made permanent markers are made from recycled plastic.[citation needed] The permanent marker was invented in 1952 by Sidney Rosenthal.
Replacing that in 1915: a granite marker set in concrete, 2.5 feet beneath the center of N 1000 E Road. The current marker is a bronze disk engraved with a map of the three states and set in concrete inside a small steel chamber in the middle of the road.