2023-10-052023-10-051925-04https://repository.tcu.edu/handle/116099117/61061Photo of men on the Phillips Petroleum Company stockholders tour of oil fields in Texas and Oklahoma including, left to right, T. B. Yarbrough, J. H. Nail, Frank Phillips, and B. S. Walker.10x8 photoPrior written permission from TCU Special Collections required to use any document or photographOil productionPhillips Petroleum CompanyImage