WILLISTON BASIN AND ADJACENT AREAS

TECTONIC HISTORY OF THE SWEETGRASS ARCH, A KEY TO FINDING NEW HYDROCARBONS, MONTANA AND ALBERTA – by Warren Shepard and Betsy Bartow

FLAXTON FIELD, BURKE COUNTY, NORTH DAKOTA by Nels E. Voldseth

SOUTH COTEAU FIELD: INTEGRATION OF GEOLOGY, PETROPHYSICS, AND ENGINEERING YIELDS MISSION CANYON OIL – by Jacob D. (Jake) Eisel and Michael L. Hendricks

GOOSENECK FIELD, NORTHERN WILLISTON BASIN – by Andrew C. Weinzapfel and Douglas G. Neese

INTERLAKE PRODUCTION AT CHARLSON FIELD, McKENZIE COUNTY, NORTH DAKOTA – by Edmond E. Bates, Jr.

BASINS OF CENTRAL AND WESTERN WYOMING

MICKELSON CREEK FIELD EXTENSION: A MESABERDE UNCONFORMITY TRAP – by Peggy Williams

MADDEN ANTICLINE: GROWING GIANT – by Jeffrey M. Dunleavy and Roger L. Gilbertson

NEW INTERPRETATION OF CLARK’S FORK FIELD, NORTHERN BIGHORN BASIN, MONTANA – by Jeffrey S. Johnson and Nancy Lindsley-Griffen

POWDER RIVER BASIN AND ADJACENT AREAS

CLINOFORM SLOPE GEOMETRY OF A WALL CREEK SANDSTONE, SALT CREEK OIL FIELD, WYOMNG – by William H. Curry, III

NORTH FORK AND CELLARS RANCH FIELDS: “DIFFERENTIAL SEDIMENTATION” OR THRUST-FOLDING? – by Donald S. Stone

NORTH FORK AND CELLARS RANCH FIELDS, JOHNSON CO., WYOMING: EXAMPLES OF LATE PERMIAN TECTONISM AND RESULTANT DIFFERENTIAL SEDIMENTATION – REPLY – by W. Richard Moore

HIGH ROAD FIELD, CAMPBELL COUNTY, WYOMING – by David L. Tyler and Allen C. Modroo

SLATTERY FIELD,  POWDER RIVER BASIN, WYOMING: A MULTIDISCIPLINARY INTERPRETATION OF A COMPLEX MINNELUSA (PERMIAN) FIELD – by Richard J. Sheppy

A SEISMIC-STRATIGRAPHIC ANALYSIS OF NORTH HOLLINGSWORTH FIELD, FALL RIVER COUNTY, SOUTH DAKOTA – by John A. Morel, Phillip H. Bursk and J. William Finch