Agricola, Georgius, De re metallica, 1912/1950

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            <p type="main">
              <s>
                <pb pagenum="35"/>
              directions of the wind, throws both these substances on shore, and for this
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              reason the search for amber demands as much care as does that for coral.</s>
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            <p type="main">
              <s>Moreover, it is necessary that those who wash the sand or evaporate
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              the water from the springs, should be careful to learn the nature of the
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              locality, its roads, its salubrity, its overlord, and the neighbours, lest on
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              account of difficulties in the conduct of their business they become either
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              impoverished by exhaustive expenditure, or their goods and lives are
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              imperilled. </s>
              <s>But enough about this.</s>
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            <p type="main">
              <s>The miner, after he has selected out of many places one particular spot
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              adapted by Nature for mining, bestows much labour and attention on the
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              veins. </s>
              <s>These have either been stripped bare of their covering by chance
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              and thus lie exposed to our view, or lying deeply hidden and concealed they
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              are found after close search; the latter is more usual, the former more
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              rarely happens, and both of these occurrences must be explained. </s>
              <s>There
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              is more than one force which can lay bare the veins unaided by the industry
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              or toil of man; since either a torrent might strip off the surface, which hapĀ­
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              pened in the case of the silver mines of Freiberg (concerning which I have </s>
            </p>
          </chap>
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