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the transit, I entrust them to him for deposit in the Post office of Guaymas, or other place which he may consider most sure or to the purpose, so that they may not be lost.

The Secretary General of Sonora,

Y SEPULVEDA.

SEAL.

Post Office of

Guaymas.

The expressed Señor CHERRY has delivered at this Office for certification and franking a letter parcel for the Most Excellent Señor Minister of Fomento, the which to be despatched with care by the "Almirante," which sails to-day for Mazatlan.

The Post Master General of Interior,

Guaymas, June 9th of 1866.

JUNL. MORALES.

GUAYMAS, JUNE 10TH OF 1866.

S. Don JOSE SALAZAR YLARREGUI, Mexico.

VERY DEAR FRIEND:

Some days ago I addressed a long letter to you, which called to my memory many recollections of our old time friendship. And now I take the liberty to recommend to you by this note, Mr. CUMMINGS CHERRY, who has in hand business of importance with the Government concerning land concessions in this Department.

The Señor CHERRY enjoys the best reputation, and his acknowledged ability and industry will make him productive of great benefits to the country and to the lands which he solicits, and which now remain uncultivated and abandoned.

I anticipate to give you thanks for the protection and support which I beg you to extend to this gentleman, that he may have the opportunity to carry into effect his very excellent designs.

I repeat myself ever your affectionate friend and servant,
J. M. ASTIASARAN.

Most Excellent Señor Minister of Government,
S. Don JosE SALAZAR YLARREGUI,

Mexico.

MINING ESTIMATES AND STATISTICS.

CINCINNATI, O, Aug. 20, 1866. To the Members of Cincinnati & Sonora Mining Association. GENTLEMEN :

You desire items of expense in mining operations in the Nevada (Virginia City and Gold Hill) silver mines, as compared with those which will be incurred on your property in Sonora.

When Superintendents of mines in Virginia City and vicinity, stamping and amalgamating of ores cost us $25 per ton; labor $4 per day for miners, and $5 per day for mechanics; lumber $80 to $120 per thousand feet; timber 80 cents per square foot; freight from Sacramento 6 to 8 cents per pound; hauling ores to mills $3 to $5 per ton. The average yield of ores was $42

per ton.

In your mining operations, if governed by practical and experienced managers, the reduction of ores by water power will cost $6 to $8 per ton, labor 50 cents to $1 per day, and hauling ores to mill $1 50 to $2 per ton. The present rates of freight from Guaymas are 5 cents per pound; and timber is upon the ground, for all purposes. Food and forage can be procured on the ground. Respectfully,

CUMMINGS CHERRY,
JAMES CHERRY.

ESTIMATE OF EXPENDITURE

Necessary to place the San Juan del Rio property of Cincinnati & Sonora Mining Association on a producing basis.

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PROFITS OF SILVER MINING.

Two facts-and "facts are stubborn things "-are very conclusive as to the profitableness of silver mining Companies:

1. At the mining stock boards in the great commercial cities of the East and Europe, although hundreds of gold and copper and lead and coal mining stocks, are bought and sold, and gambled in, the stocks of well managed silver mining companies are seldom, or never offered. The reason is, it pays better to hold them—so astonishingly large are the dividends, declared monthly, and in gold coin. Such stocks do not often change hands, and are the choicest investments that can be made.

2. The New York Evening Post, of August 14, 1866, has advertisements as follows:

DIVIDENDS-AUGUST, 1866.

Yellow Jacket Silver Mining Company,.
Hale & Norcross

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$50 per foot.

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-$6 per share.

All payable in gold on 15th August, by Lees & Waller, 33 Pine Street, or Eugene Kelly & Co., 24 Nassau St.

These are the very latest monthly dividends. The following table gives the product of bullion from 14 mines in the Washoe District, Nevada Territory, during about five months immediately preceding May 1, 1865:

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The average yield of these 14 mines for the five months, is

$251,269 34, or at the rate of $603,046 44 per annum each, in bullion, worth in United States currency on the 22d of August, 1866, $826,173 62.

The total yield of the "Gould and Curry" mine, to July 1, 1865, was $14,500,000.

The "Savage Silver Mining Co." paid in 1865 a net profit of 43 per cent. per month on its actual capital paid in for development and improvements.

66

The North Star," in five months of 1864, paid a net profit of $240,000 in silver, from a 10 stamp mill, an average yield of $160 for each stamp. In 1866, the "Savage" is yielding $1400 per day in silver from a 10 stamp mill, an average of $140 per stamp. The ores on the San Juan del Rio property of the Cincinnati and Sonora Co. will enable them to make at least as good an average, which with the proposed 20-stamp mill, will reach $3,000 per day, or $900,000 per year. But the water power of this Company is so unlimited, and the ores so rich, so abundant and so easily mined, that 100 stamps can be erected and worked with comparatively small increased cost. If the Valenzuello mine, on this property, when last worked, alone yielded $1,000,000 per year, with inefficient reduction processes that failed to abstract a considerable proportion of the precious metals, it is readily seen that $2,000,000 to $3,000,000 per year of bullion can be extracted from this property. Several mines in Nevada have 20-stamp mills, and one is doubling that number.

The latest sales of the shares of the stocks of these Silver Mining Companies at San Francisco on Sept. 8th, 1866, were at the following extraordinary rates:

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The San Francisco " Alta California" newspaper of July 7,

1866, in its commercial leader, says:

The late discoveries of ore in the Hale and Norcross have disclosed a vein 30 feet wide of $50 ore, and extending 160 feet. The receipts of the month will be $100,000, against $65,000 for the month of May.

The developments of the Savage are better, and the June product $130,000. The Crown Point also improves, and the receipts are $105,000 for June. The Gould and Curry gives for the month of June $146,000. The yield for six months has been $36 90 per ton, at a cost of $12 12 per ton-$7 56 for mining; six months' yield, to June 1st, $908,119.

The Imperial reports better prospects, and the receipts for June $61,000. The Yellow Jacket product of bullion for June is estimated at $260,000. Thus these six mines give at the rate of nearly $10,000,000 per annum; and the expenses less and more regular than last year.

ASSAYS OF SURFACE ORES.

Assay of three specimens of the ores gathered from the surface, or from rubbish heaps, of the San Patricio mines, by Mr. CHERRY, assayed by Prof. E. S. WAYNE, Analytical Chemist, Cincinnati, August 30, 1866:

No. 1-1,254 oz., 2 dwt., 12 gr., $1,672 16, gold value, per ton of 2,000 lbs.
No. 2- 16 oz.. 12 dwt., 12 gr.,
No. 3 124 oz., 15 dwt.,

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These resuits are their values in gold; or, in United States currency, about $2,475, $32 50 and $245 respectively.

CHEMICAL LABORATORY AND MINING OFFICE,

138 Walnut St., Philadelphia, Sept. 5, 1866.

MR. CHAS. C. REAKIRT,

Cincinnati, Ohio.

Sir: I have the honor to transmit herewith the result of analysis of sample of Copper ore marked "San Patricio," submitted to me for examination.

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Also, the result of analysis of sample of Copper ore, marked "Don Eduardo," sent with the above for examination.

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