The Verla groundwood and board mill and its associated residential area is an outstanding, remarkably well-preserved example of the small-scale rural industrial settlements associated with pulp, paper and board production that flourished in northern Europe and North America in the 19th and early 20th centuries. Only a handful of such settlements survive to the present day.
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Counts are based on Zikzak's current UNESCO World Heritage dataset, sourced from UNESCO. Last updated 7 August 2026. UNESCO insights