Imperiia: a spatial history of the Russian Empire

mining & quarrying

Note: The cards treat salt mining separately, so we will, too.

Where mining and quarrying are concerned, the cards reveal an interesting pattern in the geographical distribution. 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. Once they have opened, the pattern should be striking.

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