HOW TO GET TO SAN JUAN. 55 



extinction. To accomplish this, the instrument is furnished with a glass wedge 

 of a green or red color, cut at an angle of about one degree. By moving this 

 wedge before the glass bead, with the help of a suitable rack movement, a scale 

 moves at the same time, and, when the point of extinction of color is arrived at, 

 the reading of the scale refers to a table showing the percentage of metal con- 

 tained in the examined substance. By this method of analysis a correct deter- 

 mination of manganese in an iron ore can be made in fifteen minutes, which is 

 not more than one-third the time required by the usual methods of analysis. — 



Scientific American. 



HOW TO GET TO SAN JUAN. 



Parties who desire to get to Animas Forks, Mineral City, and all important 

 points in the San Juan country, can now do so without difficulty, by coming by 

 way of Cunningham Gulch. The wagon road is now open to the foot of Grassy 

 Hill, on the other side of the range, and from Highland Mary, on this side. 

 Pack-trains have already been sent through to Animas Forks, from Silverton, 

 loaded with supplies. 



The development of the mines of San Juan has fully demonstrated the fact 

 that Silverton is the gateway to the treasury vaults of the San Juan country. It is 

 the most beautiful location for a town in all southern Colorado, added to the fact 

 that in every direction from it are mines which have been found rich and paying 

 properties. The development of the country is far in advance of the city, and 

 those who invest their money in business enterprises in the city have the assur- 

 ance that the mineral wealth of the immediate vicinity is a guarantee of profit in 

 any business undertaking. It is only twenty miles from Silverton to the head of 

 the Dolores, and animals have already gone over, via Howard Fork. The 

 Needle Mountain district is south of us, only twenty miles. Howard Fork, 

 Turkey and Bear creeks west, twelve to fifteen miles ; head of Cement and 

 Poughkeepsie Basin, nine to ten miles ; Kendall mountain, half a mile ; Hazleton 

 mountain, two miles ; Arastra Gulch, two and a half miles, Sultan mountain, one 

 mile; Cunningham Gulch and Howardsville, four and a half miles; Eureka, 

 eight miles; Burns' Gulch, ten miles; Picayune Gulch, ten and a half miles; 

 Animas Forks, twelve miles; Mineral City, fourteen miles; Mount Sneffels, 

 eighteen miles. So it will be seen that Silverton is the center. The above 

 named points, all noted for their rich mines, are in every direction from our town, 

 and all, excepting only Mt. Sneffels, must become tributary to Silverton, as the 

 great business center of San Juan in the future. — La Plata Miner. 



