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MAY 30,2017 <br /> TECHNICAL REVISION NO. 3 TO SPEER MINING RESOURCE M-1983-176 <br /> EX. C-2 MINE PLAN MAP, EX:F RECLAMATION PLAN MAP& <br /> EX. E -RECLAMATION PLAN <br /> Exhibit C-2 Mine Plan Map <br /> The Exhibit C-2 Notes/Legend for Inert Fill has been revised to reflect the actual <br /> approved backfill sequence and current backfilling process for inert filling and final <br /> reclamation top soiling. All sand and gravel has been mined from this site, so there is no <br /> need for additional information on a new mine plan map. <br /> Exhibit E—Reclamation Plan <br /> Reclamation of the mined land of the permit area will remain that of inert filling of the <br /> site with inert fill described for the purposes of this TR-3 as "solid waste" fill completed <br /> with overburden and topsoil to a minimum depth of 18 inches. The sequence of inert <br /> backfilling is described as follows and is noted by a typical cross-section through the <br /> inert fill of this site and in a Notes/Legend for Inert Fill shown on both the mine and <br /> reclamation plan maps (Ex. C-2 and Ex.-F): <br /> Inert fill/solid waste consisting of hardened concrete and other inert solids as defined by <br /> the DRMS Mineral Rules and Regulations Rule No. 1.1(20) can be placed below the <br /> water table in the lake that exists on the site to an elevation of 1 ft. above the seasonal <br /> high natural groundwater elevation of 5009 ft. Above this elevation (5010 ft.), asphalt <br /> fragments can be added to the inert fill/solid waste until 1.5 ft. below the original natural <br /> elevation of the site (from 5020 ft. in the southern area to 5015 ft. in the northern area) <br /> where overburden backfill and top soil will be placed for the final completion of backfill <br /> on the site. <br /> A small 7-surface acre clay-lined water-storage reservoir will remain on the site to <br /> provide for post-reclamation water needs for irrigation and other potential uses. Both the <br /> areas of inert filling and the slopes of the small water-storage reservoir will be seeded <br /> with a native grass seed mix and the backfilled area will be returned to an agricultural <br /> use. All other aspects of the reclamation plan remain the same as originally submitted <br /> with Amendment No. 4 approved in January 2010. <br /> Exhibit F-Reclamation Plan Map <br /> The Exhibit F Notes/Legend for Inert Fill has been revised to reflect the actual approved <br /> backfill sequence and current backfilling process for inert filling and final reclamation <br /> and is also shown by a typical cross-section through the inert fill of this site. All areas <br /> will be revegetated with a native grass seed mix as previously approved in Amendment <br /> No. 4 in January 2010. <br />