Columbia subject headings:
Harvard subject headings:
Roads--China--Shaanxi Sheng--History.
Princeton subject headings:
Local transit--China--Shaanxi Sheng--History--20th century.
Roads--China--Shaanxi Sheng--History--20th century.
Shaanxi Sheng (China)--Economic conditions--20th century.
Shaanxi Sheng (China)--Economic policy--History--20th century.
Transportation--China--Shaanxi Sheng--History--20th century.