Claire E. Aubourg S.S. Crowley R.W. Hook S.J. Law S.W. Miller D. J. Nichols Steven M. Podwysocki John R. SanFilipo R. E. Thomas E.M. Timmerberg J.K. Tully C.S. Watt Jason C. Willett Shiao Hung Chian Peter D. Warwick 1998 <p>No abstract available.</p> application/pdf en Pittsburgh Coal Conference The U.S. Geological Survey coal assessment of the Gulf Coastal Region: A progress report text