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EXHIBIT D— RECLAMATION PLAN (6.3.4.) FOR SCHOEN FARM <br /> 1. Purpose:To describe the timing, procedures, criteria, and materials to reclaim the affected land for the <br /> proposed future land use. <br /> 2. General concept: Return the Site to use as irrigated cropland/pasture/grazing land . Establishing the final <br /> grade in the Yard will not be done until all mining, collecting,and processing is finished, although the <br /> operator will seek opportunities to restore some of the Site sooner than that time, if possible. Removing <br /> rock(stone, cobbles, etc.)from the A horizon soils is expected to improve the quality of the cropland. <br /> Flatten slopes of exterior of basins in the Yard to 5H:1V. Revegetate (by planting of crops) in cooperation <br /> with landowner and Rio Grande Conservation District (RGCD). Reclamation will be done in accordance <br /> with Exhibit D (Landfill Backfill Sand and Gravel Plant) of the lease between Landowner and O'Rourke. <br /> 3. Tasks: The operator will: <br /> a. Not replace any overburden, as no significant amount is expected to be encountered. <br /> b. Use fines (from washing or screening) and any overburden encountered as backfill to establish final <br /> grade (fines produced by washing and screening). <br /> c. Also use clean fill, including earth and other materials from off-site as backfill (or soil, if suitable), <br /> after evaluating for and removing any trash, contaminated materials, or other undesirable items <br /> that would potentially create problems for reclamation and post-mining use. <br /> d. Use soil stripped from access road to reclaim access road at end of mining. <br /> e. If possible,wait to strip and move soil to areas being reclaimed until the best season of the year for <br /> seeding, as specified by RGCD/NRCS. <br /> f. If needed by landowner, maintain fencing to keep out livestock(and wildlife as possible) around <br /> areas being reclaimed, until the crops are planted. <br /> g. Place any imported clean fill and fines from screening(and washing, if done) before placing soil <br /> when reclaiming an area,to ensure that the desired depth of planting medium is obtained. <br /> 4. General Information (6.3.4.(1)): <br /> a. Replacement of overburden (a): No overburden expected to require removal. <br /> b. Slopes greater than 3H:1V(b): <br /> i. None planned. While the goal will be final slopes of 5H:1V, some small areas with slopes of up to <br /> 2H:1V may be necessary in the final grading,to provide for flatter grades in the majority of the <br /> permit area for better cropland,grazing, and to ensure that there is good drainage and irrigation <br /> of the area. <br /> ii. This is acceptable to the landowner due to benefits achieved. <br /> iii. If operations cease sooner than planned,there may not be enough material to achieve a final <br /> grade of 5H:1V, and steeper slopes up to 3H:1V are acceptable on some or all of the basins. <br /> iv. The plan achieves compliance with Rule 3.1. Where backfill using waste materials (including <br /> fines) is used,the final slope is expected to be flatter to improve stability.There is no <br /> requirement for compliance with 3.1.5.(7). <br /> c. Revegetation measures(c): <br /> i. Thickness of plant growth medium (soil and fines below replaced soil):4 inches more or less. See <br /> 3.b. above. <br /> ii. Schedule and methods of seeding/revegetation: Since the post-mining/reclamation use of the <br /> Yard is as cropland,Operator will not do any revegetation. The landowner will immediately <br /> finish preparation of the site for crops, plant, seed,fertilize and irrigate as he desires for the <br /> crop selected (probably alfalfa). For purposes of calculating the financial warranty,these tasks <br /> would be completed: <br /> 1. Grade and fill as necessary to achieve desired side slopes. <br /> 2. Disc slopes prior to placement of soil. <br /> M2020-062 Schoen Farm 110c Application by O'Rourke Excavating, Inc. Exhibits Page 9 of 21 <br />