Corrections above (Peridot and Isa Fjord) confirmed
A few more points

'When the owners give orders the ships must go out
Though they sail to a fisherman's grave'
is
'When the owners give orders the ships must go out
They sail to a fisherman's grave'
and
'Cold roll the waves on the graves of the seamen'should be 'trawlermen'
'The owners refused to meet with the wives
They said they weren't to blame'
is
The owners refused to meet with the wives
Who said they were to blame'

The last one is important because it was the efforts of the women which later led to improvements in communications from the trawlers.