1902-05-23 - Colbert Colbertson was in Lyle last week looking after his hardware interests here.
1903 - Mitch Helle owns a 1903 calendar that says "Colbertson & Dahl, Lyle, Minn. Dealers in Hardware and Implements"
1906-11-02 - C. J. Colbertson has sold his interest in the hardware store to A. O. Nelson. Mr. Colbertson has been a member of this firm the past five years. He expects to remain here for some time after which he will move onto his farm near St. Ansgar.

Followed by Dahl & Nelson