File: D5A8562.jpg
Title: Historic tracks in the Atacama from nitrate salitrera mining transport, mule cart tracks, carretas calichera
Chile North Chile Pisagua South America Tarapaca Region geology history minerals nitrate nitrate mine oficina salitrera salitre salitrera salpeter tracks
Photographer: Gerhard Hüdepohl
©2016 Gerhard Hüdepohl
Credit: Gerhard Hüdepohl / atacamaphoto