Mining today is an affair of mathematics, of finance, of the latest in engineering skill. Cautious men behind polished desks in San Francisco figure out in advance the amount of metal to a cubic yard, the number of yards washed a day, the cost of each operation. They have no need of grubstakes.
Merle Colby, U.S. public relief program (1935-1943). For the Federal Writers' Program. A Guide to Alaska: Last American Frontier (The WPA Guide to Alaska), p. 8, in "Alaska Comes of Age," Macmillan (1941).