Tulsa City Council Meeting: May 7, 1991
Channel: Carlos Moreno
Date: 18/09/2015

This video was obtained from the archives of the Tulsa City Council.  The council discusses allocating a surplus of tax funding from 1985, for the purpose of purchasing land at 71st and Riverside with the intent of creating a public park.

News article from June of the same year: http://www.tulsaworld.com/archives/it-s-officially-helmerich-park/article_929acc17-16fb-572f-94ed-6ef1fa838f2c.html