301-946-9478 The Association of Partners for Public Lands (APPL) fosters stewardship and appreciation of public lands and historic sites through effective partnerships. Over the course of more than twenty-five years the Association has facilitated the development of quality not-for-profit organizations that work in harmony with public lands agencies to achieve mutual goals. The programs of member interpretive associations and friends groups enrich the lives of countless millions of actual and virtual visitors to America's parks