[Roccus]

As do I, but being on FR, makes me think of speculating how the feral govt can abuse them... after all, the federal leviathan likes maps as well.

Think..EPA's attempts at changing "all navigable waterways" in the 1973 Clean Waters Act to "all waterways"

[C210N]

Every drop is now navigable.

A stream? navigable by a message in a bottle (good way to get the word to your uncle in New Orleans from anywhere in the US!).

Droplet on leaf? navigable by millions of protozoa.

[Mamzelle]

“Navigable” is a legal definition, not a common sense one. It would have to be, as many rivers dry up and come back—