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<br />,,"1 <br /> <br />ful that research will provide us with better working <br />tools to combat this pfOblem that endangers the water <br />supply and life line to the irdgated areas in the <br />lower part of the basin and the adverse effect re- <br />flected over the over-all basin water supplies. <br />Maintenance of the San Marcial channelization <br />works is being handled by a staff of govemment <br />forces and equipment operating out of our San Marcial <br />maintenance headquarters under the supervision of <br />the operation and maintenance division of the Middle <br />Rio Grande Project. <br />An intensive brush and weed control program is <br />also under way within the limits of the M.R.G.C.D. <br /> <br />"_1 <br /> <br />~:': <br /> <br />" <br /> <br />jC, <br /> <br />" <br />;1 <br /> <br /><;~ <br />j:i <br />c:.~ <br /> <br />~') <br /> <br />,,,-, <br /> <br />',:; <br /> <br />::1 <br />.i <br />, <br />) <br /> <br />on the drains, canals, and levees being rehabilitated <br />by the Buteau of Reclamation and the Cmps of En- <br />gineers. This work consists of ground spraying, <br />mowing and burning. -The work is just started and <br />it is too early to evaluate its effectiveness. Methods <br />that have proved successful in other areas are being <br />adapted to local conditions and the progmm should <br />meet with some success. <br />With elimination and contwl of phreatophytes along <br />the district' 5 irrigation facilities, a considerable <br />savings in water is expected. This program should <br />also have a beneficial effect on project maintenance <br />requirements. <br /> <br />\'., (l"': t ..: ...... <br />'-' .....~_ \",i tJ <br /> <br />35 <br />