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■ ■ <br /> ni <br /> Well Standards <br /> Water wells • Monitoring wells Cathodic protection wells <br /> Bulletin 74=90 <br /> (Supplement to Bulletin 74-81) <br /> David N. Kennedy <br /> Director - <br /> Department or Water Resources <br /> Douglas P. Wheeler <br /> Secretary for Resources California <br /> The Resources Agency <br /> Department <br /> Pete Wilson of Water Resources <br /> Governor <br /> State of Calffornia June 1991 <br />