Forbes State Forest
...that in the early 1900s, the Spruce Flats Bog in Forbes State Forest, Pennsylvania underwent a forced reversal from forest to bog, and is now slowly returning to a forest?
...that in the early 1900s, the Spruce Flats Bog in <b id="mwB7s"><a href="./Forbes_State_Forest" id="mwB7w" rel="mw:WikiLink" title="Forbes State Forest">Forbes State Forest</a></b>, <a href="./Pennsylvania" id="mwB70" rel="mw:WikiLink" title="Pennsylvania">Pennsylvania</a> underwent a forced reversal from forest to bog, and is now slowly returning to a forest?