A view of construction in progress in the late summer 1940 on the f series of ponds. water had been diverted from the stream into supply channel. ponds f-1 through f-14 were in process of filling during this period. workmen on f-1 are engaged in sodding the dam with centipede grass. at this stage construction of f-15 through f-27 was confined to cutting and refilling dam core trenches.