Early Texas Oil Map.
Scarce oil map covering all of Texas, Oklahoma, and Kansas along with portions of New Mexico, Missouri, Arkansas, and Louisiana. It prominently shows oil fields, gas fields, and "oil indications" in red overprinting with large concentrations depicted in northeastern Oklahoma and southern Kansas. This version of the map prominently shows the wells of the Roxoline Petroleum Co. of Oklahoma City in blue overprinting and was likely used to promote sales of their stock.
Roxoline was one of many oil companies that popped up in the decades-long boom started with the discovery of oil at Spindletop, Texas in 1901. Roxoline makes it biggest dent in the historical record in the early 1920s and fades thereafter, most likely having gone bankrupt or bought up in the process of accretion by which most of the major oil conglomerates of the latter half of the century were formed.