Maps

• Geo-referenced Turn of the Century Oklahoma 30' USGS Quadrangle set (Available on Figshare, external link)
• Geo-referenced 1936-1940 Oklahoma County General Highway and Transportation maps (Available on Figshare, external link)
• Geo-referenced 1933 Oklahoma State Highway Commission map showing location of the Chisholm Trail (Available on Figshare, external link)
• Oklahoma General County Roads / Highways maps (Available as PDFs from ODOT)

links

Programmatic Agreements

• FEMA Emergency Programmatic Agreement with FHWA/ODOT Addendum
• ODOT New Deal Bridge Programmatic Agreement​

Reports​

• OK SHPO Thematic Surveys
• James W. Tyner and Alice Tyner Timmons, Our People and Where They Rest​
• ODOT Archeological reports
• ODOT Bridge HAER

General links

• Oklahoma Department of Transportation -- Environmental Programs Division
• ODOT GIS Data Portal
• ODOT Roadway and Bridge Master Data Viewer
• Oklahoma Archeological Survey
• Oklahoma State Historic Preservation Office

Regulations

• National Historic Preservation Act of 1966, as amended
• 34 CFR Part 800 -- Protection of Historic Properties
• The National Register of Historic Places
• Section 4(f) of the Department of Transportation (DOT) Act of 1966

National Register Bulletins

• How to Apply the National Register Criteria for Evaluation
• Guidelines for Evaluating and Documenting Traditional Cultural Properties
• Researching a Historic Property