The Pioneer Fringe

acreages acres agricultural areas Argentina belt Bolivia border Canada Canadian Canadian National Railways cattle cent central Chaco cheap Chile Chinese climate colonization Copiapó cost crop cultivation desert distance drought dry-farming east eastern economic export farmer farming forest frontier Geogr grain Gran Chaco grass grassland grazing highland homestead inches increase industry irrigation Jordan country KILOMETERS labor Lake limits Manchuria means ment miles Mongolia Mongols motor mountain native Northern Territory occupied Oregon Paraguay River pasture Patagonia pioneer fringe pioneer lands plains political population prairie production rail railroad railway rain ranching region River roads Russia season settled settlement settlers sheep Siberia social soil South America southern Africa Southern Rhodesia square miles standard of living supply thing tion town transport tropical uplands Valley Western Australia wheat wide winter zone