...C A TRERY © Thomas Telford and ICE 1916 PORTS HARBOURS CHANNELS ESTUARIES TOSCA PRELIMINARY WORKS JETTIES TIMBER BERTHING PERMANENT DESIGN CYLINDERS CONCRETE DREDGING RECLAMATION EQUIPMENT PLANT DREDGERS BUCKETS STORAGE GRAIN SHIPMENT ELEVATORS SILOS GALVAN...

... COSTS STEAMSHIPS TOSCA SAND SHIPS PUMPS PORTS BUENOS AYRES PLATE RIVER PLATE BUENOS AIRES ARGENTINA SOUTH AMERICA ARGENTINE 170 DOBSON ON BUENOS BYRES HARBOUR WORKS. pinutesof 18 April, 1899. WILLIAM HENRY PREECE, C.B., F.R.S., President, in the Chair. Buenos Apes Harbour...

... DISEASES CITIES PUBLIC HEALTH WELLS SINKING TOSCA DRAINS HOUSES DOMESTIC DEATHS MORTALITY EPIDEMICS BUENOS AYRES BUENOS AIRES RIVER PLATE ARGENTINA SOUTH AMERICA Proceedings.] DISCUSSIONONSANITARY W O R K S OF BUENOSBYRES. 77 with the subsoil water ; if,therefore, the water...

... and clay being entirely without stones) ; below this again is found white tosca, differing greatly in hardness. This tosca is from 1 foot to 4 feet in thickness, and is composed of from 35 to 75 per cent. of pure lime. These con- ditionsvarybutlittle over the whole tract of country,and one...