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Contact Information: Gary A. McFarland, P.E. 4th Avenue North, P.O. Box 36600 Billings, MT 59107 (406) 247-7091 gary.mcfarland@mail.ihs.gov Activity: Civil / Landscaping Keyword: Asphalt CSO No.:2511 Recommended Action: Paving thickness should be min of 2" and thicker in high volume, large vehicle areas. Location: Hays, MT Program: OEHE/AFM Date: 11/23/1999