By E. P. Porter.
The mining in Wyoming in 1903 as compared with 1902 has been marked mainly Iry two features, the resumption of the production of copper and the amount of dead or development work accomplished. Several changes in the management of different companies have occurred, and in most cases for the better, as renewed activity has resulted and development work of a permanent character has been effected.
The mining sections of Wyoming are as a rule situated in districts far from good railroad transportation, hence it is hard to secure the capital necessaiy for thorough prospecting and development, but in several cases in which ore has been shown preparations are being made to build railroads.
Though copper is at present the paramount mineral included under the head of the precious metals of Wyoming, yet the gold sections are not to be overlooked.
Wyoming has heretofore produced its quota of gold, but the year 1903 fell short of former years, owing to leases being made pending sales, and to the prosecution of nothing but development work when sales were made. Again, several free-milling properties showed, with depth, changes in the character of the ore, and experiments were carried on for the proper treatment of the resulting refractory ores.