When Paul mentions "that song about the Tijuana jail," he's referring to the 1959 release by The Kingston Trio: "The Tijuana Jail" written by Denny Thompson.
The mine is named the Alchemy Gold Mines... alchemy is defined as the attempt to transform base metal into gold.
The Coast Guard vessel in this episode was the USCGC Morris (WSC-147), a 125-foot Active-class patrol boat in commission from 1927 to 1971.
Paul's lyrics are from a children's nonsense poem entitled "A Capital Ship" also known by several other names. It was published in 1895, written by Charles E. Carryl.
Jack Searl's character appears several times throughout the program, and despite the fact that he has no lines, he is listed on the first page of the guest-performer credits .