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fEce- 2. Lignosulfonates--calcium, sodium, and ammonium lil;nosulfonates--were <br />mats- effective stabilizers in 2,400-pound-per-acre quantities costing about $I 30 <br />order to $170 per acre dependent on the specific lignosulfonatc used. <br />catue 3. Compound SP-400, Soil Gard, and pCA-70 elastomeric polymet•s produced <br />ions vind- and water-resistant surfaces using respective quantities of 55, 90, and <br />5U gallons per acre costing about $130 per acre. All were erccptionally effec- <br />tive on sandy tailings and produced satisfactory results on both acidic and <br />Ling a1F;aline tailings. <br />co".t- <br />'^'' 4. Cement and m{lk of lime additives were effective in stabilizing the <br />(ace when applied a[ Costs of nbout $190 per t[crc. <br />5. Paracol TC 1842--a resin emulsion--was an effective stabilizer nt <br />O1~'y costs of about $25U per acre. <br />FIGURE 2. - Win•~ tunnel, <br />