| Unlike Verdun, which the French quickly covered with a bell jar of remembrance, the Somme was pretty much rebuilt, monumented, or plowed under. |
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| To ensure long-term reference point stability each site is carefully monumented with a forced centered concrete pier solidly anchored in bedrock. |
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| They are typically monumented on the ground by means of brass bolts or stone blocks. |
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| This new approach will allow reduction dependency on monumented networks for height determination. |
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