Data bases that were developed for, or in connection with, DOE-sponsored geothermal evaluation programs were reviewed with respect to their applicability and usefulness. Eight data bases were selected for the review based upon their potential widespread appeal and other factors. The data bases considered for this study were: 1) GEOTHERM, 2) GRAD, 3) GPM, 4) OIT Site Data Bases, 5) UURI Open file Data, 6) UURI Sample Library, 7) Leasing and Permitting Data Base, 8) LOGDEX