2009-11-092009-11-091969https://hdl.handle.net/10365/6825The purpose of this booklet "is to bring a new awareness on the part of the American people of our rich natural resource heritage, its history, its present, and its future. To know our land is to love it and cherish it and protect it from the ravages both of nature and man."en-UShttps://www.govinfo.gov/about/policies#copyrightConservation of natural resources.Natural resources.