Clearing the massive conifer forests of Minnesota continued into the first decades of the 20th century, when production peaked in 1905.
Clearing the massive conifer forests of Minnesota continued into the first decades of the 20th century, when production peaked in 1905.
明尼苏达州大片针叶树森林的采伐一直持续到20世纪的最初数十年，木材产量在1905年时达到最高峰。