Introduction: DSFILES is free ["NGS"] software designed to read NGS .dat files of ["datasheet"]s and either join them or split them. Generally .dat files containing all the datasheets of a county are downloaded from the NGS Yearly Archives [http://www.ngs.noaa.gov/cgi-bin/ds_archive.prl page].

Source: The NGS PC Software [http://www.ngs.noaa.gov/PC_PROD/pc_prod.shtml page].

Usage notes: