In most of the excavated Great Houses, there are some surviving original wood and mud roofs that form the second or third story floors. When backfilling or other treatments are not feasible, a modern shelter roof has been constructed over these fragile elements to protect them from damage and weathering. These shelters are designed to be as unobtrusive as possible by using colors and textures that blend in with the surroundings. Even applying mud plaster to fragile masonry walls is considered a type of shelter coating. This plaster (or the modern roof) is a sacrificial surface that will deteriorate before the original materials are damaged.
Did You Know?
Among their many accomplishments, the CCC camp at Chaco planted 80,000 trees and 80,000 shrubs at Chaco between 1939 and 1941. They also cut poles and surveyed 375 miles for telephone line, built 1018 small dikes to control erosion, and constructed 3.2 miles of entrance road. More...