EMD/AAPG: The Wide World of Natural Gas: Origins, Modes of Occurrence, and Marketability Room Hall C Poster session is from 1:30 PM to 5:30 PM Co-Chairs: T. S. Ahlbrandt, S. Creaney, and T. S. Collett
	T. S. Dyman, C. E. Bartberger, V. F. Nuccio, C. J. Schenk: Re-evaluation of Cotton Valley Gas Plays in Gulf Coast Region for Petroleum Resource Assessment
	M. S. Wilson, T. S. Dyman, V. F. Nuccio: Is there a Basin-Center Gas Accumulation in the Upper Cretaceous Forbes Formation in the Sacramento Basin?
	E. L. Rowan, L. O. Anna, P. G. Lillis, S. M. Condon, T. C. Hester, J. L. Ridgley: Rates of Methane Migration by Diffusion: Implications for the Age of Gas Resources in North-Central Montana
	A. P. Byrnes, M. K. Dubois, M. Magnuson: Western Tight Gas Carbonates: Comparison of Council Grove Group, Panoma Field, Southwest Kansas and Western Low Permeability Sandstones
	L. W. Evans, B. F. Keusch, S. D. Sturm, W. J. Clark: Tight Gas Sand Exploitation: Linking Geosciences to Enhance Operations, Siberia Ridge Field, Wyoming
	D. M. Jarvie, B. L. Claxton, F. ". Henk, J. T. Breyer: Oil and Shale Gas from the Barnett Shale, Ft. Worth Basin, Texas
	C. J. Ballentine, B. Sherwood Lollar: Nitrogen and Helium in Natural Gases: Identifying the Risk Factors from a Noble Gas Study of the Hugoton Panhandle Giant gas Field
	B. Velez, E. Rueda: Fracture patterns in the Guaduas Formation and its relationship with the coal-bed methane, Colombia
	D. L. Yakobson: Gas-to-Liquids: Clean Energy For The New Millennium?
	A. Zeman, M. Stejskal, V. Suchy, J. Kroufek: Gas Migration Along North-South Lineaments: Possible New Exploration Strategy for Variscan Belt of East-Central Europe
	I. Gomez-Perez: A Deep Water Stromatolitic Bioherm : Methane Seeps in the Jurassic Sea Floor of the Neuquén Basin (Los Molles Formation, SW Neuquén, Argentina)