Mike Hennech contacted me with the dates of operation for Scneider Beer from a book he has for sale on ebay, Brewing in Trinidad, Colorado. http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=310085978334&ssPageName=ADME:X:RTQ:US:1123
Henry Schneider--1873-1889
Ph. Schneider & Co.--1889-1892
Ph. Schneider Brewing Co.--1892-1915
Prohibition
Ph. Schneider Brewing Co.--1933-1941
The Walter Brewing Co.--1944-1948
Colorado Brewing Corp.--1951-1952
Schneider Brewery, Inc.--1953-1955
Bohemian Brewing Corp. of Colorado--1955-1957
All of the above were located at the existing brewery building at the corner of Convent & Plum Streets.
I hope this helps.
Mike Hennech
Thanks Mike!