Miscellaneous References and MentionsWhile our initial information about Blackwell came from various goverment sources (GNIS, US Census, FIPS), we also found mention of Blackwell in various books, maps and other sources. We've created the following list to keep track of the sources that proved useful in adding to our knowledge about Blackwell. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Blackwell data came from. The following list of references and mentions is incomplete. Business Atlas and Shippers' Guide (1895)
 Found a mention of Blackwell, but no details. Rand McNally Map of Oklahoma (1911)
 Shell Oil Road Map for Oklahoma (1948)
 Blackwell is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> We found Blackwell in these Censuses: 2010-1990. See our Census Page for Blackwell for more information. Both the GNIS and FIPS databases contain entries for Blackwell. See our Misc Page for Blackwell for more information. Railroad Mentions of Blackwell: Blackwell was mentioned in the following schedule: Trailways Santa Fe Bus Time Table (July 1945) Footnotes ...
  | 
