Accurately measuring oil production in low-governance contexts is an important task. Many terrorist organizations and insurgencies-including the Islamic State group, also known as ISIL/ISIS or Daesh-tap oil as a revenue source. Understanding spatial and temporal variation in production in their...

Accurately measuring oil production in low-governance contexts is an important task. Many terrorist organizations and insurgencies -- including the Islamic State group, also known as ISIL/ISIS or Daesh -- tap oil as a revenue source. Understanding spatial and temporal variation in production in...

Accurately measuring oil production in low-governance contexts is an important task. Many terrorist organizations and insurgencies -- including the Islamic State group, also known as ISIL/ISIS or Daesh -- tap oil as a revenue source. Understanding spatial and temporal variation in production in...