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No better evidence can be found of the extensive operations which have been carried on in this the greatest mining district of Northern Mexico, than in the little mountains of scoria [dregs] which are found in the suburbs of the city. A great number of poor laborers make a regular business of hammering to pieces these metallic excrescences, from which they collect silver enough to buy their daily bread.
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p.190

 

Josiah Gregg

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A constant and often profitable business in the 'silver trade' is carried on at these mines. As the miners rarely fail being in need of ready money, they are generally obliged to sell their bullion for coin, and that often at a great sacrifice, so as to procure available means to prosecute their mining operations. To profit by this trade, as is already mentioned, was a principal object of my present visit. Having concluded my business transactions, and partially gratified my curiosity, I returned to Chihuahua, where I arrived, November 24, 1835, without being molested either by robbers or Indians, though the route is sometimes infested by both...

 

Josiah Gregg

 

After fording the Rio Cármen, which, though usually without a drop of water in its channel, we now found a very turbulent stream, we did not meet with any object particularly worthy of remark, until we reached the Laguna de Encinillas [Lake of Live-Oaks, the size varies greatly with the season of drouth or rain.—Book Editor]. This lake is ten or twelve miles long by two or three in width, and seems to have no outlet even during the greatest freshets, though fed by several small constantly flowing streams from the surrounding mountains. The water of this lake during the dry season is so strongly impregnated with nauseous and bitter salts, as to render it wholly unpalatable to man and beast. The most predominant of these noxious substances is a species of alkali, known there by the title of tequesquite. It is often seen oozing out from the surface of marshy grounds, about the table plains of all Northern Mexico, forming a grayish crust, and is extensively used in the manufacture of soap, and sometimes by the bakers even for raising bread. Here we had another evidence of the alarming effects of the recent flood, the road for several miles along the margin of the lake being completely inundated. It was, however, in the city of Chihuahua itself that the disastrous consequences of the freshet were most severely felt. Some inferior houses of adobe were so much soaked by the rains, that they tumbled to the ground, occasioning the loss of several lives.

 

Josiah Gregg

 

The mountains from El Paso northward are mostly clothed with pine, cedar, and a dwarfish species of oak. The valleys are timbered with cottonwood, and occasionally with mezquite, which, however, is rarely found higher up than the lower settlements of New Mexico. In the immediate vicinity of El Paso there is another small growth called tornillo (or screw-wood), so denominated from a spiral pericarp, which, though different in shape, resembles that of the mezquite in flavor. The plains and highlands generally are of a prairie character, and do not differ materially from those of all Northern Mexico, which are almost everywhere completely void of timber.

 

Josiah Gregg

 

To take an example, therefore, from a very trifling manufacture, but one in which the division of labour has been very often taken notice of, the trade of a pin-maker: a workman not educated to this business (which the division of labour has rendered a distinct trade, nor acquainted with the use of the machinery employed in it (to the invention of which the same division of labour has probably given occasion), could scarce, perhaps, with his utmost industry, make one pin in a day, and certainly could not make twenty. But in the way in which this business is now carried on, not only the whole work is a peculiar trade, but it is divided into a number of branches, of which the greater part are likewise peculiar trades. One man draws out the wire; another straights it; a third cuts it; a fourth points it; a fifth grinds it at the top for receiving the head; to make the head requires two or three distinct operations; to put it on is a peculiar business; to whiten the pins is another; it is even a trade by itself to put them into the paper; and the important business of making a pin is, in this manner, divided into about eighteen distinct operations, which, in some manufactories, are all performed by distinct hands, though in others the same man will sometimes perform two or three of them. I have seen a small manufactory of this kind, where ten men only were employed, and where some of them consequently performed two or three distinct operations. But though they were very poor, and therefore but indifferently accommodated with the necessary machinery, they could, when they exerted themselves, make among them about twelve pounds of pins in a day. There are in a pound upwards of four thousand pins of a middling size. Those ten persons, therefore, could make among them upwards of forty-eight thousand pins in a day. Each person, therefore, making a tenth part of forty-eight thousand pins, might be considered as making four thousand eight hundred pins in a day. But if they had all wrought separately and independently, and without any of them having been educated to this peculiar business, they certainly could not each of them have made twenty, perhaps not one pin in a day; that is, certainly, not the two hundred and fortieth, perhaps not the four thousand eight hundredth, part of what they are at present capable of performing, in consequence of a proper division and combination of their different operations.

 

Adam Smith

 

When we have found how the nucleus of atoms is built up we shall have found the greatest secret of all — except life. We shall have found the basis of everything — of the earth we walk on, of the air we breathe, of the sunshine, of our physical body itself, of everything in the world, however great or however small — except life.

 

Ernest Rutherford