Purity Dairy, Cranbrook
According to Hill's book began in Lethbridge in 1923, sold out to the Purity Co-op Ltd. in 1970. However, the name "Purity Dairy" was still in use in Cranbrook in 1973 according to this document, stating that they owned a 1964 GMC truck. The business was never based in Cranbrook; it was an Albertan business with a branch in B.C.
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