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,_ ROCK RIPRAP for streambank protection <br />~; ~. <br />on smaller streams <br />CONSQtVATTON OF CROPLAND HY A PERMA- <br />NENT REVETi~4:NT IS LASTING FftOTECTIOPJ <br />AGAINST SANK EROSION. <br />ROCK RIFRAP IS ONE OF TI{E h105T EFFEC- <br />THE MET40D5 OF STREAMJ'3ANK PRC/CECTION. <br />,..NY ACRES OF CROPLMJD ARE LGST DUE <br />TO THE EROSNE ACTION OF STREAMS. <br />,.,arse <br /> <br />186 <br />U. S. OFPf FiMF.VT /IC Cf.J rnrrr ~rroa- Cnrr .`n.rc cn... ~. n.. .mac ..... ~~ <br />. ,.. , <br />1 ,- <br />.- <br />