by Edward Elmer Smith and Edward Everett Evans, Masters of Space — Chapter X (1962)
“ Across the turbulent Whitewater and a mile farther north, the mountains ended as abruptly as though they had been cut off with a cleaver and an apparently limitless expanse of treeless, grassy prairie began. And through that prairie, meandering sluggishly to the ocean from the northeast, came the wide, deep River Placid.The Orion halted. It began to descend vertically, and only then did Hilton see the spaceport. It was so vast, and there were so many spaceships on it, that from any great distance it was actually invisible! ”
