I looked through the archive of the Rocky Mountain Rail Report, the newsletter of the Rocky Mountain Railroad Club and put
a post together with some miscellaneous South Park Line/C&Sng news from the first newsletter in June 1939 through 1958 including:
the founding of the club
background on Mac Poor's DSP&P book
the beginnings of The Pictorial Supplement book
a planned fan trip on the Climax-Leadville stretch
Helen McGraw's 1939 presentation of her film footage of 2-6-0 No. 9 when it was still operating for the C&S.
Kurt