Viewseis program and supporting help files --probably only runs in Windows 7 if 16-bit option is loaded
tomography/viewseis/DXFHDR.DAT
tomography/viewseis/PLT2DXF.DOC
tomography/viewseis/PLT2DXF.EXE
tomography/viewseis/VIEWSEIS.CFG
tomography/viewseis/VIEWSEIS.EXE
tomography/viewseis/VSHELP.HLP
tomography/viewseis/VSINDEX.HLP