Black, George.2011-01-192011-01-19http://hdl.handle.net/10605/1377Undated image of pump (?) at well site. PBPM 79-039.003en-USThe images in this collection are for study purposes, teaching, classroom projection and research only. To use these digital files in any form, an attribution of "Photo courtesy of The Petroleum Museum, Lee Jones, Jr. Collection" must accompany the image.Petroleum industry and trade--Texas--History--20th century--Photograph.Oil fields--Texas--Photograph.Petroleum industry and trade--Texas--Equipment and supplies--Photograph.[Pump at well site]Image