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' FOURTH ANNUAL TOPSOIL AND SPOIL MONITORING REPORT <br /> 1989 FIELD SEASON <br /> Table of Contents <br /> Page <br /> Introduction 1 <br /> Soil Pit-Topsoil Fertility-Revegetation Monitoring Data 1 <br /> Spoil Sampling in the Lennox Highwall Reduction Area 1 <br /> Nitrate Sampling Within the Wadge Mining Area 2 <br /> Wolf Creek Spoil Sampling 3 <br /> Topsoil Replacement Depth 5 <br /> 1989 Annual Topsoil Balance 6 <br /> ' Soil to be Salvaged 7 <br /> Stockpiled Soil 7 <br /> Soil Replacement Depth 7 <br /> Topsoil Replacement Technique 8 <br /> ' Topsoil Redistribution Plan 9 <br /> Quality Control 9 <br /> ' Laboratory Analyses 9 <br /> Topsoil Salvage 9 <br /> Literature Cited 11 <br /> List of Tables <br /> Table No, page <br /> 1 Postmine Ground and Surface Water Nitrate Nitrogen <br /> (NO3-N) Data for the Southern Portion of the Wadge <br /> Mining Area, Seneca II Mine, Routt County, Colorado 12 <br /> ' 2 Parameter, Procedure, and Reference List, <br /> Inter-Mountain Laboratory, Farmington, New Mexico 13 <br /> 3 Location and Field Description Information for 29 <br /> ' Wolf Creek Backhoe Pits - 1989 Field Season, Seneca <br /> II Mine, Routt County, Colorado 14 <br /> 4 Laboratory Analytical Data for Spoil Samples Collected <br /> from the Wolf Creek Backhoe Pits, 1989 Field Season, <br /> Seneca II Mine, Routt County, Colorado ib <br /> ' PEABODY COAL COMPANY <br /> i Western Division <br />