If this be the case, the addition to the amount of Silver now raised, in the year 1830, might be roughly estimated in the following manner:—
| Dollars. | |
| Real del Monte Company | 2,500,000 |
| Bolaños | 2,000,000 |
| Anglo Mexican | 3,700,000 |
| Tlalpujahua | 850,000 |
| Mexican Company | 200,000 |
| Catorce Company | 250,000 |
| United Mexican | 3,000,000 |
| German Company | 440,000 |
| American Companies | 60,000 |
| ————— | |
| Total | 13,000,000 |
| ————— |
In this calculation I have taken the produce of the three first Companies at the estimate of their own directors.
I have allowed for Tlalpujahua what I conceive to be a very moderate sum, considering the exclusive possession by that Company of all the mines of the District, and the great riches that were, undoubtedly, drawn from them in former times, although the records of those times have been lost.
For the Mexican Company I have allowed more than their present produce would seem to warrant, in consideration of their having only just received the means of carrying on their works with vigour, by the arrival of several German miners, whose
