This dataset provides well lithologies and corresponding descriptions exported from the 3D Leapfrog geologic model of the Brady Geothermal Field in Northwestern Nevada. Two .csv files are included. The file labeled Well Lithologies Descriptions provides the descriptions for each lithology code used in the Well Lithology file. The Well Lithology file contains four columns: well, From_MD_m, To_MD_m, Lith Unit. Lith Unit being the lithology code defined in the descriptions file.