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- Movie tent at Billion Gallon Day
- VIPs at Humble Billion Gallon Day chat with an employee before dinner
- Reserved section at Billion Gallon Day
- Dr. V.C. Baird greets a group at Billion Gallon Day
- Dignitaries and Humble Oil executives at Billion Gallon Day, December 14, 1944
- Buffet dinner was served at Billion Gallon Day, December 14, 1944
- Audience enjoying floor show at Billion Gallon Day, December 14, 1944
- Guests leaving the exhibit area at Billion Gallon Day, December 14, 1944
- Joint conference group, 1932
- Joint conference group, 1932
- Joint conference group, 1932
- Development department and engineering department, circa 1932
- Machinist and blacksmith department, October 26, 1920
- Machinists and boilermakers, August 25, 1931
- Main office staff of Humble Oil, 2 of 2, August 17, 19311