National Geographic : 1940 Nov
(iN T Photograph by G.L.G.Samson from Pix Salt Carriers Pause for a Smoke at a Wayside Rest in Lufeng On each chunk of the mineral is stamped the seal of the Yiinnan tax bureau. Motor transport has failed to halt human carriers or mule caravans ontheBurma Road. Most of this traffic is in Szechwan silk, on its way to India. When a truck convoy approaches a mule or horse pack train, many oftheanimals bolt (page 640).