Too thin to plow and too thick to drink. :

[I'm one of the colored dots under the rocks, unless there were too many steps and I'm still at this vantage point. It's stereographic!]

My guess is that the moon was closer to the earth, but that was a long, long time ago. Actually, that moto is for the Mighty Mississippi, this is somewhere in Canada, I think.

Low_High_Tide_StereoGraph.