The Mount Rushmore

The Mount Rushmore National Memorial is situated near Keystone in South Dakota. It is one of the world’s greatest manmade architecture Sculptor and designer John Gutzon de la Mothe Borglum was hired in the year 1927 to carve the granite memorial. Borglum conceive the replica figures, bring them to life inside the mountain rock. After his death in year the 1941, his son Lincoln finished the project. This had span 14 years at a cost of 1 million dollars.

Carving of Mount Rushmore was not easy. An egg-shaped formed size was dynamited first to take away sheets of excess stone for each roughen skull. This Egg was separated into three sections, first for eyebrow line, second for the nose line, and a third for the chin part. After a suggestion point, such as a nose lines of holes were drilled from 2 to 6 feet deep. Extra rock was removed with the help of small dynamites. The holes' depths eventually formed the complete "skin. Lastly, the exterior was smoothened with a procedure called bumping .To make a white exterior as smooth. Around 450,000 tons of rocks were removed.

The work on Mount Rushmore was Borglum's way to protect a symbol of a enormous national model.