Mine Safety Meeting ("Fundamentals of Accident Prevention for Supervisors") at the Gilman Mine. Participants are standing and seated around a table with a table sign: "United States Department of the Interior Bureau of Mines." Other signs visible say, "Think," and "Attitude." Pictured, (l-r, standing) Bureau of Mines instructor, Vernon Andrews, Darrell Barnes, Bernard Schlegel, Jack Johnson, Harold Stienmier, Thomas Jeffries, (safety manager)...