Page:Tree Crops; A Permanent Agriculture (1929).pdf/330



Courtesy. E. A. Smythies, Indian Forest Service

FIG. 113. Bare eroded lands on the upper Jumna were quickly reforestered by digging these pits to catch rain water and irrigate the trees. Pits increased water penetration several fold, from 6 inches to 40 inches. Pits dug by famine relief funds.