Authors:

Nothing so challenges the American spirit as tackling the biggest job on earth....Americans are stimulated by the big job; the Panama Canal, Boulder Dam, Grand Coulee, Lower Colorado River developments, the tallest building in the world, the mightiest battleship.

Nothing so challenges the American spirit as tackling the biggest job on earth....Americans are stimulated by the big job; the Panama Canal, Boulder Dam, Grand Coulee, Lower Colorado River developments, the tallest