The city water is pumped to reservoirs, through a tunnel 9 ft.
Large reservoirs assist to store this water after it is raised, and to equalize its distribution.
The archaeologist recovers his specimens from waste places, cave deposits, abandoned villages, caches, shell-heaps, refuse-heaps, enclosures, mounds, hut rings, earthworks, garden beds, quarriesï¿½ and workshops, petroglyphs, trails, graves and cemeteries, cliff and cavate dwellings, ancient pueblos, ruined stone dwellings, forts and temples, canals or reservoirs.
Both occur in slow-running rivers, canals, ponds and reservoirs.
The filtering works include 6 lime saturators, 2 mixing or softening tanks, 6 settling basins, 10 mechanical filters and 2 clear-water reservoirs.