...TO ROBSON; DJ GREATHEAD © Thomas Telford and ICE 1982 ICID INTERNATIONAL COMMISSION ON IRRIGATION A -ND DRAINAGE WEED RESEARCH ORGANISATION COMMONWEALTH I METHODS CONTROL DRAINAGE CHANNELS WEEDS GROWTH CUTTING MECHANISED HERBICIDES BIOLOGICAL AGENTS WATER POLLUTION...

... of more river-flow-gauging stations the extension of this side of river board work can be expected. 3. Hampshire hasmanyvaluable trout and salmonfisheries that thrive on the steady flowof spring water,from the Chalk, containindigssolved salts which in turn foster the growth of water weeds essential...

... DREDGING EQUIPMENT SHEET PILES MECHANISATION AGRICULTURE WEEDS CUTTING AQUEOUS LOCKS GATES MINING SUBSIDENCE DESIGN SIMPLIFIED WOOD GLUE POLYESTER BOATS SHIPS VESSELS CAPACITY CARRYING STREAMLINING OVERHAUL WORK STUDIES WAREHOUSES Paper No. 6466 RECENT WORKS ON THE CANALSYSTEM...

...E A G JOHNSON ENGLAND WALES NOTTINGHAM UK © Thomas Telford and ICE 1954 LAND DRAINAGE WORKS FLOODS CONTROL SOILS WATER AGRICULTURE MILLS NAVIGATION PROBLEMS WATER SUPPLY ADMINISTRATION TREES CLEARANCE WEEDS CHANNELS MINING EMBANKMENTS PUMPING STATIONS...