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Twain, Mark, 1835-1910

"Sketches New and Old, Part 7."

He
said:
"Now there is one thing I ought to ask you about before I forget it. You
have been here in Silver land--here in Nevada--two or three years, and,
of course, your position on the daily press has made it necessary for you
to go down in the mines and examine them carefully in detail, and
therefore you know all about the silver-mining business. Now what I want
to get at is--is, well, the way the deposits of ore are made, you know.
For instance. Now, as I understand it, the vein which contains the
silver is sandwiched in between casings of granite, and runs along the
ground, and sticks up like a curb stone. Well, take a vein forty feet
thick, for example, or eighty, for that matter, or even a hundred--say
you go down on it with a shaft, straight down, you know, or with what you
call 'incline' maybe you go down five hundred feet, or maybe you don't go
down but two hundred--anyway, you go down, and all the time this vein
grows narrower, when the casings come nearer or approach each other, you
may say--that is, when they do approach, which, of course, they do not
always do, particularly in cases where the nature of the formation is
such that they stand apart wider than they otherwise would, and which
geology has failed to account for, although everything in that science
goes to prove that, all things being equal, it would if it did not, or
would not certainly if it did, and then, of course, they are.


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