3dem.zip      259463 11-21-95  WIN3: 3Dem Ray tracing software - produces maps
                               | based on USGS and NASA data
3dem14.zip    259872 02-06-96  WIN3: 3Dem Ray tracing software v1.4 - produces
                               | maps based on USGS and NASA data
mfh101.zip    277140 02-04-96  WIN3: MODFlow groundwater flow program
survcn11.zip  137678 10-02-95  WIN3: Surveyor's Conversions v1.1 Land surveyor
                               | conversions