Mammoth Garden roller rink, 1510 N Clarkson St, Denver, Colorado

• Operator: Irving Jacobs^[1] (1942 - 1952^[3]) RIP, James Lorelle^[3]
• Organists: Mary Jane, Russell Bice, Marian Schultz
• Floor size: 195' x 90'^[1]
• Opened: 1907 - 1910 & 1935 - 1962^[2]
RSROA listed 1942^[1]

Timeline History:^[2]
1907 - 1910 The Mammoth Roller Skating Rink.
1910 - Fritchle Automobile & Battery Company manufacturing plant.
19xx - Unoccupied for several years.
1935-1962 - Mammoth Garden Roller Club - Offered ice skating, hockey, basketball, ice polo, boxing and wrestling.
1945-46 - Housed the famed "Skating Vanities".
1950, 1952 and 1954 - US National Indoor Figure and Speed Championships.
1962 - Closed and became a warehouse for the Colorado Mercantile Company for five years, closing in 1967.
1968 - Purchased by concert promoter Stuart Green, shortened name to Mammoth Gardens.
(The venue was converted to a nightclub.)
1970 - Club closed.
1976 - Reopened briefly in 1976 as a farmers' market, this only lasted four months.
1981 - Reopened under "Mammoth Gardens" to host sporting and music events. After 14 months, closed once again.
1986-1999 - Purchased by Manuel and Magaly Fernandez & became the Mammoth Events Center.
1999 - Sold to Bill Graham Presents. Later, combined with Live Nation, and re-opened as the Fillmore Auditorium.
2017 - Currently is The Fillmore Auditorium.