Liberalism has many meanings, but I wish to maintain that the most authentic form of liberalism has been concerned above all with two things: the expansion of a free functioning civil society and the restriction of the activity of the state.
Public lands already have value as nature preserves and tourist attractions. At the same time, the economic needs of ordinary human beings — which often require land development — shouldn't be ignored.
In every trade, a person is giving up something he values less for something he values more. Every time a shopper buys any item from another person, he has improved his standard of living, and so has the seller.