_:vb6817254 "There must be action on and participation in broadcast methods of public education, face to face, in groups, or by use of the mails. This, however, is of secondary importance to the man-to-man job of education in care with fire in the woods."@en . _:vb6817254 "1931 June, M. A. Mattoon, \u201CApplication of Methods to Minimize Human Risks and Physical Dangers\u201D, in Fire Handbook: Region Seven: United States Department of Agriculture Forest Service, Washington, D.C.: Government Printing Office, \u2192OCLC, page 8:"@en .