I heard a similar story involving an old cadillac. We dont hear them often because it's obviously illegal certainly by todays standards.

Hey...when you are in an unfortunate situation in life but own your land....gotta do what ya gotta do.

That's good old fashioned American ingenuity.

Think about it:
It's a hot summer day--all your drains and toilets are backed up.
You don't have two nickels to rub together--but you do have a rusty 73 Camaro up on blocks in the back yard and your crazy uncle Jerry has a back hoe....