Imperiia: a spatial history of the Russian Empire

mining & quarrying

The cards treat salt mining separately, and they do not happen to mention silver mining.

They do, however, reveal an interesting pattern in the geographical distribution of quarrying and mining. Somewhat paradoxically, the pattern is not visible on the map.

Instead, we can tease it out of the visualization below. Click on each of the red dots (except the one labeled "card sort"). Once they have opened, the pattern should be striking.

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