When I visited the Wyoming Dinosaur Center last June I saw this wonderful poster, but they were out of stock. My wife found it in stock at a Rock and Gem shop during a recent trip to the Oregon coast.
There is an incredible amount of information included. The author's hypothesis is that our solar system's path through the Milky Way galactic plane caused asteroid impacts that may be correlated with extinction events at boundaries between geological periods, epochs, etc.
Even if you don't buy his hypothesis, the rest of the information, presented in a correlated manner makes this a nice reference.
I have always wanted a poster like this and a nicely laminated copy now hangs on the door in our kitchen.
This might be a good resource to "pin" for quick reference.
Under a government which imprisons any unjustly, the true place for a just man is also in prison. Thoreau: Civil Disobedience (1846)
History will have to record that the greatest tragedy of this period of social transition was not the strident clamor of the bad people, but the appalling silence of the good people. Martin Luther King
I never considered a difference of opinion in politics, in religion, in philosophy, as cause for withdrawing from a friend. Thomas Jefferson
Seems to me if its clear that certain things that require ancient dates couldn't possibly be true, we are on our way to throwing out all those ancient dates on the basis of the actual evidence. -- Faith
Some of us are worried about just how much damage he will do in his last couple of weeks as president, to make it easier for the NY Times and Washington post to try to destroy Trump's presidency. -- marc9000