One of the tests of a new song is to actually learn it, line by line. In the process a betterline sometimes emerges as the memory processes the song. Here's a "better" line for the beginning of the 4th verses, better because of the internal rhyme scheme which occurs here and there in the original poem:

Original line- I sailed with him from 'Frisco Bay with a drunken deadbeat crew...

Replacement line - We sailed away from 'Frisco Bay with a drunken deadbeat crew...

I finally found an appropriate header graphic for this poem, a 1937 photo of McSorley's Old Ale House in Lower Manhattan, a Twilight Zone of the bar scene that persists to this day.

Cheerily,
Charley Noble