[Sopater]

Oh, there it is. I found it.

[hawkaw]

Maybe they should have added the word “fresh” ahead of the word “water”.

[TXnMA]

Actually (from the immediately preceding FR post by LibWhacker) Study: Deep beneath the earth, more water than in all the oceans combined" and a link provided by Theoria:

That surface water you show is not terribly much...