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The difficulty of ascertaining the production of gold and silver in this country is peculiarly great, by reason of the lack of organized means and the extent of the field through which our mines are scattered, as well as the nature of the industry itself, and the motives which influence the minds of those engaged in it to withhold from publication the full and true account of its results.

When I entered upon my duties as commissioner of mining statistics I gave this subject careful attention. My predecessor had presented estimates of bullion production, involving confessedly a large excess over the amount actually accounted for by the statistics of either er. press shipments, exports and coinage, or the bullion tax. He had recommended the collection of accurate and comprehensive returns through resident agents in the mining States and Territories—a system which was not practicable then, and has not been practicable since, on account of the limited funds appropriated for the work. So far, however, as circumstances would permit, I have pursued the policy of obtaining from experts in different regions estimates of such portions of the production as were not covered by detailed and accurate returns, using, moreover, my own judgment, based upon extensive annual journeys of observation, in the modification of such estimates as I had reason to believe were without sufficient foundation. The elements entering into conclusions of this character are: the reports of production from single leading mines; the express shipments of bullion; the rates charged by express companies; the number of miners, white and Chinese, and the respective wages paid; the number and capacity of stamps running; the cost of mining and reduction, etc. The aggregate product of bullion thus obtained is of course merely a rude estimate. It has never been put forward as anything else, and I do not feel called upon to defend its accuracy:

As I committed the error of including my estimate of bullion in the introduction to my report of last year, which was set up and stereotyped several months before the last pages went to press, it does not agree with later estimates in the different chapters of the report. Thus Oregon and Washington are credited on page 7 with a product of $4,000,000; on page 205, their aggregate production is stated as $3,000,000. Again, Montana is credited on page 7 with $12,000,000; on page 317 this is corrected, and the cause of the error explained, while the product is cut down to $9,000,000, on the strength of later reports as to the effect of drought on the gulch mines.*

But all the excess of gold attributed in the introduction to my last report to Oregon, and more than a million of the excess in the earlier estimate for Montana, (made in September, and based on the product of the fiscal year, without foresight of the excessive drought,) belonged properly to California. For I have never been able to get direct returns from all the mining districts of that State. The attempts which have been made are detailed in a former report; and it is the experience of all who

* I declared (p. 317) that $9,000,000 seemed to me too small a figure. The surveyor general's official estimate for the year was $10,000,000. My investigations this year, Lowever, corroborate the correspondent who sent me the smaller estimate.

have undertaken to obtain such information in California that the task is well-nigh an impossibility. The San Francisco press, noted for its enterprise in statistical matters, contents itself with presenting annually the receipts of the express companies, the coinage at the mint, and the shipment of bars, data which give, within a certain percentage, the amount of the precious metals received at San Francisco. I have usually deducted from this aggregate the amounts due to Arizona, Nevada, Oregon, Washington, Idaho, and Montana, (not the whole product of all these States and Territories, but the portion sent to San Francisco,) and cred. ited California with the rest. That this gives a fairer result than could be obtained by a direct inquiry may be seen from the ill success of the assistant marshals under the Census Bureau, the aggregate of whose returns of gold product in California, submitted to me in January, 1871, was between $8,000,000 and $9,000,000 for the whole State, and for the whole of the year ending June 1, 1870.

Following the plan above mentioned, I obtained for California the sum of $20,000,000, which agreed with my own observations of the depressed condition of the placer mines in many districts, and of certain other causes operating to produce local diminution of product. But this estimate was too low, because the amounts subtracted for Oregon and Montana were too high. The table given in my introductory letter last year is therefore to be rejected, as contradicted by the later evidence of the body of the report. I regret that attention was not more distinctly called to this fact in the appendix; but the truth is, that I did not keep in mind, as the voluminous work passed through the press, the whole of those parts which had gone beyond my reach; and the corrections made upon later evidence, in the chapters on Oregon, Montana, etc., were introduced without proper regard to their bearing upon what had been said hundreds of pages before.

If the estimate of bullion product for 1869 had been the last instead of the first thing in the report, it would have been conformed to these corrections. I can now only introduce the corrected table aš my estimate for 1869 : California

$22, 500,000 Nevada

14, 000, 000 Oregon and Washington...

3,000,000 Idaho..

7,000,000 Montana.

9,000,000 Colorado and Wyoming

4, 000, 000 New Mexico

500,000 Arizona..

1,000,000 All other sources.




The term “all other sources," which I have retained from the reports of my predecessor, does not very definitely show the meaning intended. This item includes the product of precious metals east of the Rocky Mountains, and also a small margin of compensation for underestimates upon single States or Territories.

The following is my estimate of the product of 1870 : California

$25, 000, 000 Montana

9, 100, 000 Idaho..

6,000,000 Utah

1, 300, 000

Arizona ..
Oregon and Washington...
New Mexico
Other sources

$800,000 3,000,000 3, 675, 000

101), 000 16, 000.000

500,000 525,000

Total ....


All the above items, except the first and last, are based upon direct and positive evidence, collected, sifted, and weighed with my best care and judgment. The product of California is obtained, as usual, by a series of deductions from the receipts of bullion at San Francisco. I have no better way, since it would be absurd to accept the results of direct inquiries in that State as covering the whole product. Such a course would put California down to about $9,000,000, which I should consider outrageously unjust. I believe that my estimate is nearly correct.

These results are obtained without reference to the statistics of coinage and export, and largely exceed the aggregate of those two items. According to some writers, however, the total annual product of bullion may be closely approximated by merely adding together the coinage of domestic gold and silver at the mint and its branches, (or the deposits for coinage less the amount returned to depositors in bars,) and the exports of bullion of native production. I do not agree with this view, and I shall give at some length my reasons for dissent. These may be classed under two general heads: first, the imperfection of the data afforded for an accurate calculation of either coinage or exportation ; and second, the inadequacy of the method itself. I need scarcely add, that if I had not become sincerely convinced on these points, I should certainly have saved myself much independent labor and research, and adopted the comparatively very cheap and easy system of studying the mining industry and its results by means of mint and custom-house reports.

I will first give some tables, constructed on the method referred to, and show their deficiencies.

The following figures for the domestic deposits of gold and silver for coinage are obtained by taking from table C(now B) the reports of the Director of the Mint, the deposits at the Philadelphia and San Francisco mints, and adding the amount of fine bars received at the Mint in Philadelphia, as shown in table A. It would be easy to show that this does not give an exact result, since no account is taken of the fine bars produced at Philadelphia, nor of the foreign origin of a portion of the fine bars deposited at San Francisco, or sent from New York to Philadelphia, nor of the native origin of a portion of the jewelers' bullion; but it is the best that can be done with the Mint reports as they are at present made out. The amount of silver bars produced at San Francisco is deducted from the reported deposits at that place, and for 1866 and 1870, the amount of fine silver bars sent to Philadelphia evidently including a large portion of foreign origin, I have taken instead the amount produced at New York, as involving less error.

The figures of the exports of bullion are compiled from the reports of the Bureau of Statistics of the Treasury Department:

Table of domestic coinage deposits and exports of domestic bullion for the fiscal years ending

June 30, 1866, 1867, 1868, 1869, and 1870.

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Deposits, gold.
Exports, gold...

Total, gold
Deposits, silver..
Exports, silver.

Total, silver
Total deposits, gold and silver......
Total exports, gold and silver
Grand total, gold and silver depos.

its aud exports

$27, 286, 596 $27, 327, 508 818, 292, 793 $19, 894, 792 $19, 182, 649* 20, 731, 473 13, 867, 641 23,984, 021 13, 584, 407 15,814, 108 48, 018, 069 41, 195, 149 42, 276, 814 33, 179, 199 34, 936, 757

450, 939 890, 733 938, 666 799, 331 1,320, 6151 10, 832, 849 15, 853, 530 12, 865, 237 13, 573, 127 11, 784, 864 11, 283, 788 16, 744, 263 13, 803, 903 14, 371, 758 13, 105, 479 27, 737, 535 28, 218, 241

19, 231, 459 20, 693, 123 20, 503, 31, 564, 322 29, 721, 171 36, 849, 258 27, 157, 834 27, 598, 972



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* Including deposits at Carson City, (less $66, fine bars produced there.) A deduction has been made of $1,274,438, Japanese gold, received as domestic at the San Francisco quint.

+ The sum of domestic deposits at Philadelphia, San Francisco, Carson City, and the fine bars from New York. The table on page 43 of the Director's report for 1870 erroneously omits Carson City, I am forced to assume that the $707,400, silver bars of the New York assay otlice, were sent to Philadelphia for coinage, as there is no means of separating the small amount returned to depositors.

The Alta California of February 17, 1871, makes the following observations:

The true mode of getting at the production has been pointed out, and, for the last six years, we have annually given the production of this coast as received at San Francisco. The method is the same as that adopted in regard to the cotton crop and other great staples. It is by ascertaining how much cotton is exported, how much burned and destroyed, and how much is taken by the manufacturers. The result 19 taken by the world at large as the cotton crop. It would not shake confidence in the figures if some statistical neophyte were to object that some cotton is used to stuff into people's ears when they have the earache, and is therefore not thus accounted for. So with gold and silver. The world knows that raw bullion is of no use to the producer; it must be turned into coin, or sold as bars. In either case the whole quantity is practically accounted for-that is, all the gold and silver which affects the markets of the world comes to light in this manner. The production of the metals in the United States has been, for five years, as expressed in the following table, showing the net amount of domestic gold and silver deposited at mint and turned into coin, and the amount of bars of gold and silver exported by official return:

Deposited at mint.

Domestic bars exported.







8:27, 095, 547 93 $30, 509 74
27, 327, 502 00 474, 645 08
16, 712, 225 33 6-19, 388 66
19, 402, 064 30 300, 870 66
18, 9:27, 669 00 644, 803 17

$20, 731, 473 $10, 832, 849

13, 867, 641 15,853, 530 23, 984, 021 12, 865, 147 13,584, 407 13, 573, 427 15, 814, 108 11, 784, E64






Gold and silver.

1866 1-07 1-68 1-09 1870

$47, 827, 020 93 $10, 913, 358 74
41, 195, 143 00 16, 328, 173 08
40, 696, 246 33 13, 514, 535 66
32, 986, 451 30 13, 874, 297 66
34, 741, 777 00 12, 428, 667 17

$58, 740, 379 67
57, 523, 318 08
54, 210, 781 99
46, 860, 718 96
47, 170, 444 17


39, 489, 323 71

13, 411, 806 86

52, 901, 134 57

H Ex. 1033


There are two leading disturbing elements in this manner of getting at the production of a single year; one is the quantity of imported gold turned into retined bars and deposited at mint, and there received as domestic gold. In the year 1870, $1,27 4.458 Japanese gold was so turned in, but has been deducted in the table. The other element is the irregularity of the export of bars. If all the bars produced in one year were esported, and only those, each year's return would give each year's product. This, hor. ever, is not the case; as thus, in 1866, there commenced at the New York assay office an operation of lending public money to certain parties on unparted bars, which caused the retention of those bars in the assay office, and their omission in the report for coinage. The exports of gold bars for the year were, therefore, by so much less, thus making the production appear less. That operation was continued until the spring of 1870, when Mr. Boutwell broke it up, and the bars were exported, thus apparently swelling the production of 1870. It is also the case that bullion remains in the bands of the bullion dealers at the end of the fiscal year, to be exported in the next. But the average of five years covers all those disturbing causes, and gives a production of $39,489,323 71 of gold, and of $52,901,134 57 gold and silver; and there bas been a gradual annual decline in it. It will be observed that the year 1867, that in which the apparent production was lessened by the rotention of bars in the New York assay officer the amount is given at $41,013,997 gold. In the report of Mr. Browne, mining cominis, sioner for that year, we find (pago 260) the return of the Internal Revenue Commissione for that calendar year, giving the gold product in coin value, paid tax, at $15,161,050. The difference of about $4,000,000 is that of bars retained at the New York assay office. The total in the table of gold and silver is $57,523,318 03; that in the revenne return is $58,175,047--a difference of $651,729. The Secretary of the Treasury estimated for that year in his report (page 3) the production at $75,000,000-a difference of $16,824,953. The mode we have adopted, it will be seen, covers all the gold product that comes practi. cally into the service of the public, and the results may be safely taken as the actual product of the precious metals.

I shall have occasion presently to consider the argument involved in these remarks; but I wish first to call attention to the table of deposits of gold and silver, which differs greatly, especially in the item of silver, from the one I have just given. The writer in the Alta seems wholly unconscious of any inaccuracy, and declares the figures in question to be the net amounts of gold and silver deposited at the Mint and turned into coin. In reality, they do not appear in the Director's reports, but are obtained by deducting the total deposits of United States coin, jewelers' bars, foreign coin, and foreign bullion from the total coinage (excluding bars) of the Mint and branches. This is assuming that all the deposits under the four above-mentioned heads are turned into coin, or, in other words, that all the fine bars produced at the mints and assay offices are from domestic bullion only. This assumption is, a priori, unreasonable; and I have, by inspection of the official (unpublished) records of the Mint, proved it to be false in fact. The deposits at the New York assay office, for instance, are entered in a descriptive list, and opposite to each of them is a memorandum of the manner of payment, whether in bars, gold, or silver coin. Unfortunately this distinction is carried no further; and the consolidated returns contain, therefore, the domestic and other deposits in separate aggregates, and the coinage and bars in separate aggregates; but there is no way of determining how much of each class of deposits is turned into coin and how much into fine bars, except by laboriously examining in detail the history of each separate deposit. This I have done only far enough to be satisfied that the device of deducting the total jewelers, and foreign deposits, etc., from the total coinage, to obtain the domestic bullion coined, is wholly untrustworthy. The method I have followed in the first table given is, in my opinion, superior in accuracy; but no possible manipulation of the Director's reports can give correct results on these points, so long as those reports continue to be constructed as at present.

But these tables are inconvenient for purposes of comparison, because they refer to the fiscal instead of the calendar year. I have received, however, from the different mints and assay offices figures

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