For several years the ABC7 I-Team has been following the case of the world's oldest drug mule, Leo Sharp.

Geologist Tim Elam to deliver special presentation about Borax mining and 20 Mule Team at Buena Vista Museum.

wenty-mule team, picturesque reminder of the past, hauls huge borax wagon through Death Valley during celebration opening new highway in 1937.

NPS / Bob Greenburg Fortunately, Death Valley National Park still has another historic wooden wagon set from the “20-mule team” era.