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• <br /> El vircj)n? ei)t, C. <br /> LARRY E.O'BRIAN 7985 VANCE DRIVE, SUITE 205A <br /> FOUNDER ARVADA,COLORADO 80003 <br /> STEVAN L.O'BRIAN 303-423-7297 <br /> PRESIDENT FAX 303-423-7599 <br /> February 12, 2016 <br /> Mr. Fred Orr <br /> Equity Funding, Inc <br /> 5040 Acoma St <br /> Denver, CO 80216-2010 <br /> Dear Fred, <br /> Re : Aggregate Industries - Hazeltine Mine <br /> Amendment 01 review. <br /> The following information is to supplement the letter I sent you <br /> on 3/31/2011 regarding the apparent cause of the increased <br /> groundwater elevations and resultant flooding on your parcel of <br /> land. It also will address my review of the Aggregate Industries <br /> - WCR, Inc (AI) Amendment filed with the Division of Reclamation <br /> Mining and Safety on 12/10/2015 that proposed to alleviate the <br /> problem caused by their actions . I will also include copies of <br /> the maps and exhibits I use to address your concerns that their <br /> planned actions will not lower the groundwater parcel on the Orr <br /> property so it minimizes the disturbance to the prevailing <br /> hydrologic balance on and around the affected lands. <br /> The attached photos, date from 1949 to 2014 to present are also <br /> used to show the changes to the Orr Property before installation <br /> of the slurry wall and relocation of Bull Seep. Some of them <br /> came from the Division of Reclamation, Mining and Safety Notice <br /> of Violation presentation presented to the Mined Land Reclamation <br /> Board on 3/18/15 . I choose to respond to the paragraph of the <br /> Tetra Tech Memo in the order presented. It is not intended as an <br /> engineering review of their work only to point out ways their <br /> plan will not lower the groundwater table east of the slurry <br /> wall, to near historic elevations . <br /> I agree with their consultants, Tetra Tech statement in the first <br /> paragraph, but it needs to be understood that this has always <br />