Finland temporarily stopped minesweeping in the Baltic according to the Secret Admiralty Weekly Intelligence Summary Nr. 31 for the week ending 6 August 1921

An item referred to the Finnish press reporting that the Finnish minesweeping operations in the Baltic starting in May 1921 were stopped for the time being. Waters in the Aland Islands area were still to be swept what was later in 1921 to be executed.

Source

The National Archives CAB-24-127-7. No.31. Weekly appreciation of matters of naval interest for the week ended 6 August 1921