The Palace of Mines and Metallurgy formed
 the inner part of the east fan-like plan of the 
main picture at the Exposition. It  stood between
 Government Terrace and Art Hill, opposite the
Palaces of Liberal Arts and Education.

Architecture-wise, the Mines Palace  was a  new 
departure in Exposition  design. It's architect was
Theo. C. Link, of St. Louis and the grand palace was
525 by 750 feet, which provided  9.1 acres of floor space and cost  500,000 dollars. 
Design-wise, the  plan of the Mines building was rectangular, to correspond with  the Palace of Liberal Arts. The side walls of the building were  set back 20 feet and the extensions are treated with screens, creating  promenades around the entire building.  The building was  further distinguished by a lavish use of color. Four stately entrances pierced the facades, each displaying a pair of obelisks and fine statuary ornamentation.  The structure was designed in the style of Greek, Egyptian and Byzantine.

The Palace of Mines and Metallurgy  housed part of the Mines exhibits, and the rest displays (mainly larger and more dangerous (fire, pollutants, etc.) were outside in the 12-acred  Gulch, which lead  southwest into the Plateau of States.

The most impressive item in the Palace of Mines and Metallurgy was the 120,000 pound  statue of Vulcan- the Roman god of the forge, Alabama's main  exhibit at the Fair. The statue alone was 56 feet high. The hammer in Vulcan's hand weighed 300 pounds. 

The palace also contained displays, exhibits and class pertaining to all aspects of mining. There were showcases of geology, rocks, minerals, and gems as well as machinery and maps. Many states and nations had elaborate and diverse exhibits in th Palace of Mines, here are just a few samples: 

Mexico has some quality exhibits mostly pertaining to onyx 
and sculptured onyx and copper mining.

Canada wowed visitors  with over 50,000 dollars of gold 
dust and nuggets. 

California exhibited  demonstrations of both wet and dry 
gold  mining.

Louisiana's exhibit included a 850 pound 
biblical sculpture of Lot's wife carved in a
block of salt.  Also, their exhibit contained a  
column of sulphur  sculpted into a monument to 
Mephistopheles. The column weighed 2,400 pounds. 

Colorado showed a  scaled gold reduction plant  that processed Black Hills gold. Visitors could also bring in one sample of ore for the Colorado State School to acess. 

Texas exhibited a pot of mercury that weighed 1,200 pounds. 

The Bethlehem Steel Company showcased  weaponry such as cannons and massive warship turrets. 

The  mining exhibits were not just  exclusive to inside the palace, the Gulch,  displayed many larger exhibits, some on a massive scale.

There was a replica of a Placer gold mine  that could be seen
for 10 cents.   

On exhibit was  a full-sized oil rig.

One of the most popular gulch attractions was a daily ride 
down the Gulch by Borax Bill and his 20-mule team. The
mules came all the way from Death Valley.

For 10 cents, visitors could see a replica of `Mammoth' 
Crystal Cave.

The  Great Anthracite Coal Mine  was a simulated  Coal Mine
Ride that included electrical exhibits and inventions in the
process  of Coal mining technology. Adult admission was 25 
cents, while children cost a dime to ride. 

 The  Great Anthracite Coal  was initially going to be  located on The Pike

Also exhibited at the Gulch was:  a typical miner's cabin, hydraulic mining machinery in operation, a
New Mexican turquoise mine, copper smelters, a typical Western mining camp,  equipment for testing the coal resources, as to their capacity as gas and steam producers, and as to their adaptability for cooking and briquetting, etc.,

In the Gulch's 120 by 125 foot  Metal Pavilion, were the operating exhibits illustrating the working qualities of metals, such as zinc, lead, aluminum, copper, tin, etc.

​A Model Foundry pavilion, 120 by 125 feet, was installed in the Gulch to illustrate the handling of iron. This equipment included the cupola furnaces and the molds for the melting and casting of iron,
and other furnaces and molds for the casting of brass, bronze, etc.

There were also in operation electric cranes and other general foundry equipment used for finishing, polishing and plating castings of different kinds. 
Lee  Gaskins'  AT THE FAIR  The 1904 St. Louis World's   Fair  
                     Web  Design and Art/Illustration   copyrighted  2008 
Palace of Mines and Metallurgy
A quarter-view of Kansas' Mines display inside the Palace.
Bethlehem Steel Display
Cement Exhibit`
A coal mine  model on  display in the palace of  mines. Notice Alabama's statue of  Vulcan in the distance.