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Describe the final disposition of the overburden: Will be put back in <br /> place to depth of 3' and graded for drainage. <br /> Indicate the maximum working slope: 3 to 1 (horizontal - to - vertical) <br /> final slope S feet horizontal to 1 foot vertical. <br /> OPERATION CHARACTERISTICS <br /> Describe any processing to be done on-site: Crushing and washing of <br /> sand and gravel. Removing placer gold... <br /> List type of equipment or machinery used in the project and method <br /> of excavation: Standard processing equipment. Excavate with loader and <br /> conveyor system. <br /> List equipment or processes used in this project that generate air <br /> pollutants or required an Air Pollution Control District permit: <br /> Washing will control all dust. <br /> List any operations which will cause noise or vibration: Rock <br /> crusher. <br /> Describe any trees or vegetation be removed: A few oak trees will be <br /> removed. Large oak tree groves will be retained. <br /> List all noxious weeds on the site: - <br /> NQne <br /> Where will materials be stockpiled: On-site. Excavation will be done <br /> according to sales of tinish product. <br /> If explosives will be used, explain: None, no chemicals. —_ <br /> - -•-Usua1-" days and -hours o-f-operation:-- 24. Hours-•••--days- a --- <br /> week. <br /> If any canal, pipeline, railroad, etc. , will be crossed, explain: <br /> E.B. mud. <br /> Quarry Excavation - 11 - ( 7/84 ) <br />