TSI

Trophic State Index (TSI) rates water bodies based on how much biological activity they support.

Endorheic basin

Rivers that don't drain anywhere are their own special category, creating Endorheic Basins. The article lists some notable basins, but it also has a link to a lengthier list of endorheic basins.

Apelles

 Can you name an artist with no surviving paintings but who was, himself, painted by multiple masters? Apelles of Kos. 

Wendell Berry

“And so I go into the woods. As I go in under the trees, dependably, almost at once, and by nothing I do, things fall into place. I enter an order that does not exist outside, in the human spaces. I feel my life take its place among the lives — the trees, the annual plants, the animals and birds, the living of all these and the dead — that go and have gone to make the life of the earth.”

Wiki - Steamboats

The power of steam energy brought with it risks. So the steamboats that transformed industrial-age travel, were also inherently dangerous. The tragic stories of the Sultana (1,164), the Henry Clay (50-80) and the General Slocum (1,021 lost) each capture different dimensions of their times. The Henry Clay took Andrew Jackson Downing from us. The General Slocum tragedy is mentioned in both James Joyce's Ulysses and a recent Dean Koontz novel. At least eight different cities have erected monuments to the Sultana.