Gray's new trunk railway map of the United States, Dom. of Canada and portion of Mexico. Compiled from latest official sources, showing carefully selected list of cities & town in readable type for quick reference.

Map of the continental United States and parts of Canada and Mexico showing drainage, some hachures to indicate major topography in the West, major cities and towns; names or abbreviations for railroad companies appear along each line. The map is printed in colors to distinguish major railroad connections. [From published bibliography]Scale 1:3,168,000; 50 miles to 1 in.Relief shown by hachures.Prime meridian: Washington.LC Railroad maps, 6