Annual Gross Products Attachment for Bentonite (Form 8451)
Annual Gross Products Attachment for Bentonite (Form 8452)Annual Gross Products Attachment for Mine Mouth Sales (Form 8701)Annual Gross Products Report for Bentonite (Form 8401)Annual Products Report Attachment for Coal Production by Legal Description (Form 8111)Severance Tax Report for Bentonite (Form 5300)
