"Some of the girls, in jumping, smashed through the sidewalk vault lights on the Washington place side of the building. The bodies that continued to crash upon the vault light finally made a hole in it about five feet in diameter. Just at dusk firemen and policemen were pulling many half nude and burned corpses from this hole."
Learn more at Cornell University ILR School online\
Great article on the 98th. anniversary at Labor Is Not A Commodity:
Triangle Shirtwaist Factory Fire 98th Year Anniversary