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and Saint Petersburg. The area was 57,422 km², of which 6,794 km² were covered by lakes.

Geology

Its north-western portion belonged orographically and geologically to the Finland region; it is thickly dotted with hills reaching 1,000 ft. in altitude, and diversified by numberless smaller ridges and hollows running from northwest to south-east. The rest of the governorate was a flat plateau

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