Lost 40 Minnesota: How This Pristine Forest Was Saved by a Mapping

Thanks to a 19th-century surveying error, hundreds of acres of Minnesota’s old growth forest has been saved in pristine form.
Thanks to a 19th-century surveying error, the Lost 40 in Minnesota, an old growth forest, has been saved in pristine form.

This 1882 surveying error saved a patch of forest from logging

Lost 40 SNA joins Old-Growth Forest Network

The Lost 40 — Hiking Minnesota

List of old-growth forests - Wikipedia

In northern Minnesota, a primeval land of the Lost 40

Chippewa National Forest - Lost 40

Lost 40 SNA joins Old-Growth Forest Network

Arts, Free Full-Text

The Lost 40 – Northome, Minnesota - Atlas Obscura

Lost forty - General Discussion Forum - General Discussion Forum

Two rare old-growth forests become Minnesota's first to join

map of the interpretive trail- Lost 40 - Picture of Chippewa