Guavio 1 1959 the first wildcat exploration oil rig on the edge of the Llanos in foothills of Cordillera Oriental. Texaco drillers found oil and this well was forerunner to large oil discoveries in 1...

Oil well in a residential district on Signal Hill known locally as Porcupine Hill because of the numerous oil wells dotted around the area.USAtravelAmericaLALos AngelesoilindustrypumpAmerica...

Close-up of an oil well in a residential district on Signal Hill known locally as Porcupine Hill because of the numerous oil wells dotted around the areapumpindustryoilLos AngelesLAAmericatrav...

Oil Well Workers