I have it listed in 1962 on the list of all Frontier stations in CO. It is just listed as a Denver Service station on 1101 Syracuse. Not sure about the exact date as I'm missing the cover, but it does talk about promotions to J. Olvey on March 15, 1962. This is a quote from the January 1963 Magazine. During Frontier's last fiscal year, starting June 1, 1961 and endingMay 31, 1962, the company built twelve new stations and completely rebuilt two existing stations. Fourteen existing stations were leasted and eight existing stations were purchased, making a total acquisition during the fiscal year of thirty-six properties. Beginning June 1,1962 and to date, Frontier has built -- After that my magazine is missing the rest. Maybe Rarin-to-go can help from there. Mitch