Old Rocks
Diamond Member
For the same reason that it owns nearly that much of Oregon. Empty lands that had to be protected against use that damaged it and the people that depend on it. Much of this land is easily damaged, much is watersheds for the areas that are usable for agriculture and urban areas.
Most of Nevada is desert, not watersheds, want to try again?
Most of Eastern Oregon is high desert and also a watershed. Look, why don't you spend a few years outside of the urban environment in the natural environments and learn the reality of the land.