Introduction: DSWIN is free ["NGS"] software designed to read NGS .dat files of ["datasheet"]s and print user selected fields from the datasheets. It is a data mining tool. Generally .dat files containing all the datasheets of a county are downloaded from the NGS Yearly Archives [ page]. The output of DSWIN can be imported into a spreadsheet program for sorting by the various fields and printing.

Source: The NGS PC Software [ page].

Usage notes: