655.) "The iron product and manufacture of the United States has increased enormously within the last few years, and the vast beds of iron convenient to coal in various parts of the Union, are destined to make America the chief source of supply for the world." "Three mountains of solid iron [in Missouri], known as Iron Mountain, Pilot Knob, and Shepherd's Mountain, are among the most remarkable natural curiosities on our continent." (_Id._ p.
654.) And the people have taken hold to lay out their work on the grand scale that nature has indicated.

Excepting only the Houses of Parliament in London, our national capitol at Washington is the most spacious and imposing national edifice in the world.

By the unparalleled feat of a subterranean tunnel two miles out under the bottom of the lake, Chicago obtains her water.

The work of constructing a railroad tunnel across the Detroit river is already commenced, and the traveler will soon pass, in his steam palace, under the bed of that river, while the immense commerce of the lakes is floating upon its bosom over his head.

Chicago is the most extensive grain and lumber market in the world; and Philadelphia and New York contain the largest and best furnished printing establishments now in existence.