Photos: Denver Public Library
On July 7, 1971, fire destroyed the Denargo Market, a produce warehouse in Denver.
``Firefighters were hampered by the lack of fire hydrants in the area and a loss of water pressure,'' according to Denver Public Library researcher James Rogers.
Firefighters contended with other hazards, including two railroad tank cars filled with carbon dioxide, 50 kegs of black powder in a nearby property and 13,000 volt power lines, according to Rogers.
The 1971 inferno was the second major blaze to strike the market, the first occurring Dec. 16, 1952.