Columbia subject headings:
Denver and Rio Grande Railroad Company.
Gould, George Jay, 1864-1923.
Railroads--United States.
Harvard subject headings:
Denver and Rio Grande Railroad Company.
Gould, George Jay, 1864-1923.
Railroads--United States
Princeton subject headings:
Denver and Rio Grande Railroad Company.
Gould, George Jay, 1864-1923.
Railroads--United States.