Ainda não temos significados para "solid chalk".
1Under a clayish surface soil, there was a stratum of solid chalk.
2In the centre a well descends to the storeroom of the garrison, which is cut out of the solid chalk.
3They traveled for several hours to a certain well, said to be more than three hundred feet deep, bored down through solid chalk.
4In every gallon of that water there are, perhaps, fifteen grains of solid chalk, which was once inside the heart of the hills above.
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