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Ray H. Mattison writes to Herbert Oliver Brayer regarding business operations relative to cattle outfits in the Badlands. Mattison also informs Brayer that Theodore Roosevelt National Park does not have any photographs of the Marquis de Morès.
Theodore Roosevelt National Park
1950-04-14
Allyn F. Hanks acknowledges Herbert Oliver Brayer’s letter to Ray H. Mattison and informs Brayer that Mattison is currently away doing research in Washington, D.C.
Theodore Roosevelt National Park
1950-03-14
Ray H. Mattison writes to Herbert Oliver Brayer in reference to Mattison’s research for a monograph on “Roosevelt’s Contemporaries along the Little Missouri River.” Mattison needs more information on certain cattle outfits.
Theodore Roosevelt National Park
1950-01-23