1. Outline map of the lands known as Oklahoma, Indian Ter. opened to settlement by Executive Order March 23, 1889 [cartographic material] Yale Public content 1889. 2015-11-02T20:58:30Z. 2020-08-14T18:08:37Z. United States. General Land Office. [General Land Office], Julius Bien & Co.). English. cartographic image. Public. Oklahoma, Indian Territory, Oklahoma., and Indian Territory.