The Mount Hyalite chapter records consist entirely of positive photocopies from the chapter's minute book and typed speech transcriptions, along with a cassette recording of a speech delivered to the group in 1975. The collection includes: photocopies of a handwritten speech and its typed transcription, titled "Here I Stand" by Margaret P. Griffin, placed in the same folder as Griffin's remarks at the Sacagawea historical marker in Three Forks, 1920; the minutes for the meeting of 20 Jan. 1949, summarizing the program delivered by Mary Hunter Doane entitled "Pioneer Days," and a transcription of the speech, which gives a general discussion of Bozeman's founding and the arrival of the Andrew Jackson Hunter family in 1864; a typed speech delivered by Charlotte Stafford Koch on 15 Apr. 1955 regarding DAR historical markers; a typed speech of Mrs. Verne Sexton (Ethel M. Sexton), delivered in 1960 titled "The First Settlers in the Gallatin and How They Came"; an audio cassette recording, a CD-ROM, and typed transcription of an untitled speech delivered by Dr. Richard Roeder to the chapter in 1975 regarding Gallatin County pioneers.