Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. Of the three major installations, Oak Ridge, Los Alamos and Hanford, which were built from scratch, including large communities to house atomic energy workers, Oak Ridge has a particularly fascinating and unique place in the modern day story of the atom; the Oak Ridge Area, which rose from what was once a sparsely-settled section in the foothills of the Cumberland Mountains in East Tennessee, has in truth come to be known as the Symbol of the Atomic Age.