There is a fertile stretch of flat lands in Indiana where unagrarian Eastern travellers, glancing from car-windows, shudder and return their eyes to interior upholstery, preferring even the swaying caparisons of a Pullman to the monotony without. The landscape lies interminably level: bleak in winter, a desolate plain of mud and snow; hot and dusty in summer, in its flat lonesomeness, miles on mil...