2004-08-02_REVISION - M2000158 (3)

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~-/ Er~viror~n?er~~., Ir~c. LARRY E. O'BRIAN 7985 VANCE DRIVE, SUITE 205A FOUNDER RECE! VED ARVADA, COLORADO 80003 303-423-7297 ' AUG 0 2 2004 FAX 303x23-7599 August 2, 2004 Division mf Minerals and Geolog)+ Ms. Erica Crosby Division of Minerals and Geology 1313 Sherman St., #215 Denver, CO 80215 Dear Erica; RE: Platte Sand & Gravel LLC S&H Mine, Permit # M-2000-156 On behalf of our client Platte Sand & Gravel LLC (PS&G), I will respond to your July 8, 2004 adequacy letter and the objectors letter in the order and number format presented in those documents. LIST OF ATTACHMENTS TO THIS R68PONSSi Proof of Publication Return receipt copies Adequacy Exhibit #4 (copy) WORR PLAN NARRATIVE UTILITY PROTECTION AND Exhibit C-la Longhorn Lake Map CROSSINGS guide Exhibit C-lb Sharkey's Lake Map Environment, Inc. Letter to Milliken 1. Attached is a copy of the Proof of Publication for this opera- tion. Also, attached are copies of the return receipt cards for adjoining owners and easement holders of record. In three cases the green cards were not returned so the mailing re- ceipts are substituted. Rule 6.4.3 Exhibit C-Pre-Mining and Mining Plan Map(s) of Affected lands. 2. The scale on these maps makes it hard to distinguish various lines that denote the slurry wall, gas lines etc. I have attached two new maps called C-la - Longhorn Lake and C-ib - Sharkey's Lake showing the gasline/oil wells and the approxi- mate slurry wall location in the two areas. These maps match Exhibits F-1 and F-2 but do not have the elevation contours. You will not that where oil wells and gasline are on the interior of the reservoir the slurry will cross the pipeline from the well to the main feeder lines. On the perimeter the slurry wall will be placed parallel and 10 feet inside the gaslines so the main gaslines are not in the reservoir area. The top of the mined slope will begin 15 feet inside the slurry wall and will be mined 3:1 to leave a stable bank and protect the slurry wall and pipelines. Cross section have been added to each of the maps showing the relationships between the gasline and slurry wall locations.