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<br />' GRAVEL VOLUMES PER PHASE AREA <br /> AREA GROUND POND AVAILABLE ACCUMMUTATIVE <br /> AREA AREA TONS(000) TONS (000) <br /> <br /> 1 9.5 6.14 787.8 787.8 <br /> 2 8.3 5.37 700.3 1,488.1 <br /> 3 8.5 5.49 700.3 2,188.4 <br /> <br />' 26.3 17.0 z,188.4 <br /> 4 8.2 5.51 738.0 2,926.4 <br />' S 7.3 4.90 645.7 3,572.2 <br /> 6 9.2 6.18 830.2 4,402.4 <br /> 7 9.7 6.51 861.0 5,263.4 <br /> 34.4 23.1 3,075.0 <br />' 8 13.9 9.9 1,142.9 6,406.3 <br /> 13.9 9.9 1,142.9 <br />' <br />~ ~ 4. SITE DISTURBANCE: <br /> The Colorado Mined Land Reclamation Board has defined different degrees <br /> of disturbance in a mining and reclamation operation. The definition of <br /> those three types of disturbance are as follows: <br />'i ' Minor Disturbance: That area of a mining operation that includes <br />excavations <br />overburden s <br />and to <br />iles <br />oils <br />soil stock <br /> , <br />p <br />p <br />p <br />. <br />, <br /> Moderate Disturbance: That area of a mining operation which is a <br />• result of backfilling of an open cut, stabilization of waste dumps, <br /> leveling of overburdened soils, the smooth grading and the distribu- <br /> tion of topsoil or other suitable approved plant growth median. Also <br />' includes within the affected area on-site privateways, roads, railroads, <br /> evaporation or settling ponds, leeching dumps, work parking storage <br />' or discharge areas and areas in which structures, facilities, equipment, <br />machine <br />t <br />th <br />l <br />hi <br />h <br />l <br />t <br />ti <br />lt f <br />i <br /> s, <br />s, or o <br />c <br />oo <br />er ma <br />a <br />s or proper <br />es w <br />resu <br />rom <br />er <br /> or are used in the mining operation are situated. <br />1 <br /> Minor Disturbance: That area of a mining operation which is under- <br />' going prepartation immediately prior to planting or seeding, is being <br /> <br />