It was 525 by 750 feet in size, and its unique architecture is a singularly successful unification of Eqyptian, Greek and Assyrian elements.
Decorated obelisks flank the monumental entraces, one of which is seen in the illustration.
The wide, overhanging eaves and the deep portico, give an air of comfort that invited the visitor to a closer inspection of the exhibits within, where in nine acres of space were shown the mineal resources of the world and the mechanical devices for making them available. The exhibits embraced everything from clays to precious metals and gems. Mine engineering at its latest development was clearly portrayed. Ore crushing and concentrating processes were shown. Primitive methods of smelting coppor ores by Mexican Indians were shown in an exhibit in the Mining Gulch.