Milton Bradley was a young lithographer—basically a printer—in Massachusetts when he made a thousand prints of this man running for president in 1860.

当弥尔顿·布拉德利在马萨诸塞州为1860年竞选总统的这个制作一千幅版画时，他还是个年轻的平版印——基本上就是个印。

Anyone looking at this very popular lithograph would immediately see that she has some dignity left.

每一个看这幅平版印画的都会很快发现她仍然保持着自己的尊严。

And what we see is extremely regular thin beds that extend for kilometers and exceptional preservation of soft-bodied material in what's called lithographic siltstone.

我们看到的是极其规则的薄层，绵延数里，并且在所谓的平版粉砂岩中保存了特殊的软体材料。

And so this is another lithographic milestone here that's helped to preserve it.

因此，这是另一个有助于保存它的平版印里程碑。