Identifying & Designating Historic Properties Web links and PDFs to help you identify and designate historic properties. Guidelines for Local Surveys: A Basis for Preservation Planning (924) National Register publication with general guidance for local surveys and preservation planning. Information on Nominating Properties to the NRHP, 1501 (PDF) Summaries of the National and State register programs including the nomination process and criteria for eligibility. (revised 3/11) National Register of Historic Places brochure, 1516 (PDF) National Park Service general brochure describing the National Register program. Registro Nacional de Lugares Históricos, 1516 (PDF) Folleto General sobre el Registro Nacional de Servicio describiendo el Registro Nacional de Lugares Históricos Information for Property Owners in a Prospective Historic District, 1516a (PDF) Historic American Engineering Record (1519) National Park Service general brochure describing the Historic American Engineering Record (HAER) program. Researching the History of your House, 1522 (PDF) Articles and a checklist providing tips for finding information about historic houses. Colorado Cultural Resource Survey Manual, 1527 (PDF) A basic guide on conducting surveys of archaeological and historic properties. Manual for editing HABS/HAER documentation, 1537 (PDF) The National Park Service guide discusses the Historic American Building Survey/Historic American Engineering Record documentation requirements, including archival preparation of documents, assigning numbers, preparing the report, and photographs. Historic American Building Survey (HABS) (1551) A brochure explaining the program that comprehensively documents historic buildings. Profile of the Cultural Resources of Colorado, 1553 (PDF) A publication providing information on the types of resources identified in our state, statistics and distribution. (revised 6/08) National Historic Landmarks Program (1562) A National Park Service site explaining the program, including answers to commonly asked questions. Historical and Architectural Survey (1562a) Two-page brochure introducing the historical & architectural survey process. (09/11) Origin and Functions of Colorado Local Landmarks, Colorado State Register of Historic Properties, NRHP and National Historic Landmarks Programs, 1567 (PDF) Summaries of the four programs comparing the legislation, purpose, administration, areas of recognition, and results of each. My Property Is Important to America’s Heritage, What Does That Mean? Answers to Questions for Owners of Historic Properties, 1574 (PDF) Colorado Architectural Style Guide, 1625 (PDF) This pamphlet answers the question "Why preserve historic places?" and introduces the National Register of Historic Places and National Historic Landmarks programs. A guide to architectural styles, forms, and types for use by architectural surveyors. The Field Guide can be downloaded as a PDF. A web version can be viewed online. Preserving America’s Heritage: National Historic Preservation Act, 40th Anniversary, 1644 (PDF) A joint effort by the National Park Service, the Advisory Council on Historic Preservation, the History Channel, and the Washington Times, outlining the background of this law and the effect it has had on our national heritage.