The Gas Producing Enterprises/DOE MHF demonstrations in the Uinta Basin, Utah, constitute an important part of the FY 78 Western Gas Sands Project, Extensive coring and logging of CIGE 21-15-10-22, a Mesaverde test in the Bitter Creek Field, has provided a multitude of formation evaluation data, This paper analyzes log quality problems in the Mesaverde. Crossplot techniques are used to establish log validity, evaluate formation log parameters, and to provide methods for data normalization. Specific recommendations are made to improve the reliability of Mesaverde log evaluations.