descriptopm

"source:date"=>"2014-06-01"

"check_date:existence"=>"2021","email"=>"museumwiertsema@gmail.com","opening_hours"=>"\"Op afspraak\"","operator"=>"Stichting Historische werkplaats wijlen molenmaker Harm Wiertsema","source:date"=>"2017-05-30","start_date"=>"1999"