The Land of Nayarit - An Account of the Great Mineral Region South of the Gila River and East From the Gulf of California to the Sierra Madre #224383

In the immediate vicinity of Nogales there has been a recent development of oil bearing formation — that is, men of long experience in oil regions have carefully examined the formation and pronounced it oil bearing. The Sonoita Oil Company, a local corporation, has been organized, and has taken up about acres of land closely adjacent to Nogales, and will introduce improved machinery to thoroughly test the field.