2012-08-222012-08-22c. 1920http://hdl.handle.net/10605/12721Photograph of the Humphreys Company oil tanks in a large field. The postcard has been left blank on the back side.1 postcard : b&wen-USOil fields--Texas.Petroleum industry and trade--Texas.Petroleum--Texas--Mexia.Humphreys, Albert E.Image