"non-forested land"@en . . "0001-01-01T00:00:00"^^ . . . "0001-01-01T00:00:00"^^ . . . "http://www.fs.usda.gov/Internet/FSE_DOCUMENTS/stelprdb5445434.pdf"@en . "lands not qualifying as forested, such as those which are primarily rock, ice or water"@en .