The first collapse faced by the men consisted of more than 100 long tons of debris, while another fall had been over 300 feet (91.5 metres) long and 30 to 40 feet (10--12 metres) high.
The first collapse faced by the men consisted of more than 100 long tons of debris. Another fall had been over 300 feet (91.5 metres) long high. Another fall had been over 30 to 40 feet (10--12 metres) high.