We're on the right track here.
J.G. Falcon was indeed J.V.'s father who is recorded as submarine diver in 1880, submarine contractor in 1910, 1920. His father, Peter G. Falcon was a submarine engineer as well in 1880.
Must have been a ship yard nearby on Lake Michigan.

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]

[Linked Image from i.imgur.com]


"Every day above ground is a good day."