Duke and Maude DeCoursey published the newspaper until 1971 when it was amalgamated with the Nickel Belt News forming Precambrian Press, which was the DeCoursey family and the Grant Wright family.
Duke and Maude moved to Squamish, British Columbia, to develop a mobile home park in 1973, selling their shares in Precambrian Press.
Joan left most of the operations to Carolyn Wright, who was the managing editor for a number of years.
[citation needed] On January 2, 2007, Precambrian Press sold the Thompson Citizen to Boundary Publishers of Estevan, Saskatchewan, which was later[when?]
In December 2024, the newspaper announced it will close but did not give a specific date for its last issue.