Readme Regional 3D Structural Model of the Oak Ridges Moraine and Greater Toronto Area, southern Ontario: Version 1.0 Recommended citation(s): Any use of this digital file should be referenced to the following citation. Discussion pertaining to the geology of a specific map should reference the appropriate authors as indicated below: Logan, C., Sharpe, D.R., and Russell, H.A.J. 2002: Regional 3D Structural Model of the Oak Ridges Moraine and Greater Toronto Area, southern Ontario: Version 1.0; Geological Survey of Canada, Open File 4329, 1 June, 2002. Modelling procedure originally published as: Logan, C., Russell, H.A.J., and Sharpe, D.R., 2001: Regional three-dimensional stratigraphic modelling of the Oak Ridges Moraine area, southern Ontario; Geological Survey of Canada, Current Research 2001-D01, 19 p. About the CD-ROM Title: Regional 3D Structural Model of the Oak Ridges Moraine and Greater Toronto Area, southern Ontario: Version 1.0 Geological Survey of Canada Open File # 4329 Release date: 1 June 2002 This CD-ROM contains 5 sets of digital data files: 1-bedrock elevation, & confidence grid 2-Lower sediment elevation, & confidence grid 3-Newmarket Till elevation, & confidence grid 4-Oak Ridges Moraine elevation, & confidence grid 5-Halton Till elevation, & confidence grid Directory Structure This CD-ROM has the following primary directories: \data Data sub-divided by the 5 stratigraphic units (see below). Each stratigraphic sub-directory divided by format (see below) \doc Documentation \metadata CD-ROM metadata \apps Distributable viewing software \data \ \1_BR bedrock surfaces & confidence grids \2_LS Lower sediment surfaces & confidence grids \3_NT Newmarket Till surfaces & confidence grids \4_OR Oak Ridges Moraine surfaces & confidence grids \5_HT Halton Till surfaces & confidence grids Each stratigraphic sub-directory (above) contains 2 self-extracting, compressed files: Conf_xx1.exe (ver. 1.0 confidence grid in self-extracting WinZip® 7.0 format) Surf_xx1.exe (ver. 1.0 stratigraphic surface in self-extracting WinZip® 7.0 format) Two formats are provided: MapInfo© and ASCII System Requirements The CR-ROM is compatible with Windows NT/2000/XP, MS-DOS operating systems equipped with the appropriate CD-ROM reader and software. The CD-ROM is compatable with UNIX and Macintosh operating systems for reading documentation only. Self-extracting, compressed files must be decompressed in Windows NT/2000/XP. To view surfaces, MapInfo Professional© with Vertical MapperTM or MapInfo ProViewer© (included) is required. ASCII grid files are compatible with ESRI Grid / ArcInfo. Acrobat® documents are viewable with Arcobat® ReaderTM (included).