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ANNUAL REPORT FOR OCI'OBER 10, 1987, PERMIT ANNIVERSARY <br /> r_ <br /> PORTLAND QUARRY PERMIT N0. 77-344 -' cj <br /> FREMONT COUNTY, COLORADO rl. ] Igo/ <br /> IDEAL BASIC INDUSTRIES, INC. yFU:RNdr i I!�i� Cf'd S(ON <br /> During the year several things have occurred involving the State Mined <br /> Land Division. <br /> First, a technical revision for kiln dust disposal was granted. There has <br /> been a modification in the original plan for covering the dust. The stability <br /> of the high waste dunp edges became questionable after the toe of the du7p <br /> that covered the dust started sliding, thus increasing the apparent angle of <br /> repose. The new approach of using a lower dump was explained to the Division <br /> and written explanation will be included in this report. <br /> Second, another technical revision involving the distribution of sewer sludge <br /> on the reclaimed areas was granted. Ideal will benefit from the enhanced <br /> plant growth and the Fremont Sanitation District will benefit from a large <br /> depository near its plant. Soil Conservationist JoAnn Utschig and Soil Scient- <br /> ist Ann Hogan of the Soil Conservation District assisted in the procedure by <br /> determining the effective root depth zone prevalent in the area and on the <br /> waste dumps. <br /> Third, grass species native to the surrounding prairie were identified and <br /> recommended for inclusion in the next planting by Reclamation Specialist <br /> Cammile Farrell of the Mined Land Reclamation Division. These grasses will <br /> be included in the next planting which may be accomplished this fall. <br /> Fourth, commencement of excavation in Cut #6 required bonding of 23 acres with <br /> the Reclamation Division. Top soil was excavated by a contractor using push <br /> type scrapers. The soil was distributed on backfilled areas of Cuts #1,2, and <br /> 3. A stockpile of topsoil was established on the bonded area of Cut #2 just <br /> east of the plant refuge disposal area. <br /> Finally, 2.75 acres of back fill from Cut #2 were deemed acceptable for removal <br /> from bonding for land reclamation by the Division. <br /> Other activities included moving the east - west portion of the quarry power <br /> line onto the Cut #2 dump, then adding about 1000 feet more to the south to <br /> provide power for mining Cuts 6 and 8. The shovel was moved to Cut #6 in <br /> late July. <br /> The status of the mining areas follows: <br /> 1. Location and Number of Acres Affected During the Year. <br /> Twenty-three acres were added to the bonded areas to facilitate mining <br /> of Cut #6. Removed from bond were 2.75 acres of overburden durtp in Cut #2 <br /> that have been successfully reclaimed. <br />