xkcd #2847: Dendrochronology ( imgs.xkcd.com )
https://xkcd.com/2847...
https://xkcd.com/2847...
https://xkcd.com/2846...
https://xkcd.com/2845/...
https://xkcd.com/2844...
https://xkcd.com/2843...
https://xkcd.com/2842...
https://xkcd.com/2841...
https://xkcd.com/2840...
https://xkcd.com/2838...
https://xkcd.com/2837...
https://xkcd.com/2836...
https://xkcd.com/2835...
https://xkcd.com/2834...
https://xkcd.com/2833...
https://xkcd.com/2827...
https://xkcd.com/2825...
https://xkcd.com/2826...
https://xkcd.com/2832/...
https://xkcd.com/2828...
https://xkcd.com/2829...
https://xkcd.com/2831/
https://xkcd.com/2824/
https://xkcd.com/2823/
Title text: In the LotR map, up and down correspond LOOSELY to northwest and southeast respectively....