Those are some interesting gradients!
Also I can't unseen that smile in the west now...
Lakes Tahoe and Great Salt trying to brighten our days.
It’s an axolotl!
I don't think that's lake Tahoe, that's that one uninhabited region of NV. Tahoe much further south and west.
Yeah, looks like it's closer to Black Rock Desert.
What is this color scheme from a red heavy color to blue to red heavy again. Why even bother with gradient at that point, just go all PowerPoint and use random colors
Some deviation of the rainbow color map, I guess. Like the jet color map, it is not really useful.
booo this man
Me when I see a neat map 
Damn, never knew the whole US was a geothermal hotspot.
The comment you're replying to has the PDF with °F
Oh my. How on earth could I have missed that and drawn such an incredibly incorrect conclusion.
How is 77 degree groundwater not full of bacterial growth?
Well there's those brain eating amebas
Lack of nutrients, probably. Life needs useful energy, and the kind of life that you or me would find offensive needs a whole bunch. Therefor, by the second law of thermodynamics a closed system eventually becomes lifeless.
For the map enthused!
Rules:
post relevant content: interesting, informative, and/or pretty maps
be nice
