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,. ~ <br />TYPICAL BACKFILL OF WELL <br />WITHOUT CASING <br />SURFACE SUITABLE MATERIAL <br /> FOR VEGETATION <br /> ' (DEPTH 0-3') - <br /> , <br />• • ~ <br /> • <br />• <br /> •~ <br />~ • • <br />~ ~ CONCRETE PLUG <br /> <br />~•' <br />•. _ <br />~_ <br />(DEPTH 3'-10') <br />BACKFILL WITH MATERIAL <br />FROM SURROUNDING AREA <br />_ I <br />;;, 20' <br />BACKFILLED <br />W ITN <br />CONCRETE <br />2 0' <br />1 <br />FIGURE 1 A <br />PVC OR STEEL CASING <br />BACKFILLED WITH CONCRETE <br />ACOUIFER (GRAVEL PACKED) <br />WITH CASING <br />PVC CASING CI <br />~ w MINIMUM OF 3' <br />i BELOW SURFA( <br />:p ti: <br />20' _~ <br />1 I ~1 <br />~ i <br />PREVIOUSLY <br />BACKFILLED <br />BACKFILL WITH MATERIAL <br />FROM SURROUNDING AREA <br />FIGURE 1 B <br />'7.315~..~ <br />