Shows location of stations (centrales) where sugar cane was delivered for processing. Available also through the Library of Congress web site as a raster image. Includes list of operating railroads in Puerto Rico.
United States. Department of Commerce
Shows steamship lines, ferries, and railroads. Also covers Delmarva Peninsula. Annotated in ink handwriting in lower margin: From Port Series No. 16--1926. Available also through the Library of Congress Web site as a raster image. Includes indexed "List of steamship lines".
United States. Board of Engineers for Rivers and Harbors - Ritter, Alfred H. (alfred Hotchkiss) - United States. Army. Corps of Engineers