Land use - United States.

Footprints on the land : = an assessment of demographic trends and the future of natural lands in the United States / by: (書目-語言資料,印刷品)

Land use and society : = geography, law, and public policy / by: (書目-語言資料,印刷品)

Conservancy : = the land trust movement in America / by: (書目-語言資料,印刷品)

The American landscape by: (書目-電子資源)