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\. ~ • i ~ III IIIIIIIIIIIII III 999 CF&I STEEL CORPORATION CANON DOLOMITE QUARRY , File No. 77-376 /~(i7A1~ `'1-~8~d~ ANNUAL REPORT to the MLRD September 1986 - September 1987 (1) CF&I did not operate the Canon Dolomite Quarry during the report period and no acres (new or past disturbance) were affected. (2-3) Lower Fines Disposal Area #1 has been graded to final contours and will be seeded during the week of Sept. 21, 1987. This area covers approximately 6 acres. The pre-law quarry area above the office will also be seeded at this time. Erosion control and maintenance is continuing as required. (4) The species to be planted include Crested & Thickspike wheatgrass, Sideoats Grama, Russian Wildrye, Indian Ricegrass, Fourwing Saltbush Palmer Penstemon and Yellow Sweetclover as per the approved seed mixture. Last Fall several roadcuts and sedimentation ponds were also seeded with this mixture. (5) Approximately 200 lbs of 0-46-0 fertilizer will be applied to the areas being reseeded this September. An additional 2 to 4 tons of compost will also be applied which will act as a fertilizer, mulch and soil conditioner. (6) The revegetation of the roadcuts has had marginal success. No soil conditioner was applied to these areas therefore the soil did not retain sufficient moisture for germination during the spring. Late summer rains have however provided sufficient moisture to allow clover and some grasses to germinate. Annuals have also invaded these roadcuts. Next year these areas will again be evaluated and if required, corrective measures will be taken. The application of compost should help the soil retain moisture. (7) CF&I plans to reopen the quarry this year. Because of the reduced demand for Dolomite, mining operations will not affect any areas previously undisturbed by mining. The mining, crushing and screening operations are expected to cover approximately five acres of the developed quarry. (8) This report is current as of Sept. 15, 1987.