Yeah the Larsons were made for decades longer I believe.

According to my Tail Fins and Two Tones book, North American Rockwell Corporations marine division acquired the Little Falls based boat company around 1970 and sold it to American Machine And Foundry (AMF) in 1972. In the 80s AMF was battered in the economic storm, and sold off to some of the Crestliner staff under the banner of Nordic Boat Company. The final twist is when seven years later, the owner of Larson Boats, Genmar Inc made a deal to aquire Nordic and renamed the resulting craft Crestliners!