CastleGarden.org is an educational program of The Battery Conservancy. The Conservancy is a 501(c)(3) educational not-for-profit organization. The Conservancy relies on donations to support the website and to continue its work to digitize the remaining 2 million records from the period 1820 to 1892. All donations are tax-deductible as permitted under federal tax law. A copy of The Battery Conservancy's most recent audit can be obtained from the office of the Attorney General, Department of Law, Charities Bureau, 120 Broadway, New York, NY 10271.