Regulacje i polityka gospodarcza · 03/10/2012

National Public Lands Day 2012

The National Public Lands Day is an annual event in the United States, held on the fourth Saturday of September every year, where volunteers can participate in conservation and maintenance activities on public lands managed by the federal government. This year's event took place on September 22, 2012, and was organized by the National Park Service and the U.S. Forest Service.