Spectrum Mapping, LLC 1999 Broadway, Suite 3200 Denver, CO 80202 Tel: (303) 298-9847 Fax: (303) 292-9279 Web: www.spectrummapping.com Description of Delivery The data on this CDROM contains DEMs (Digital Elevation Models) of Connecticut River. File names contained in this delivery: 1015_765 1025_835 1030_880 1035_920 1015_770 1025_840 1030_885 1035_925 1015_775 1025_845 1030_890 1035_925 1015_780 1025_850 1030_895 1035_935 1015_820 1025_855 1030_900 1040_775 1015_825 1025_860 1030_905 1040_780 1015_830 1025_865 1030_910 1040_785 1020_765 1025_870 1035_775 1040_805 1020_770 1025_875 1035_780 1040_810 1020_775 1030_760 1035_785 1040_815 1020_780 1030_765 1035_790 1040_820 1020_805 1030_770 1035_795 1040_860 1020_810 1030_775 1035_800 1040_865 1020_815 1030_780 1035_805 1040_870 1020_820 1030_785 1035_810 1040_875 1020_825 1030_790 1035_815 1040_880 1020_830 1030_795 1035_820 1040_885 1020_835 1030_800 1035_825 1040_910 1020_840 1030_805 1035_850 1040_915 1020_845 1030_810 1035_855 1040_920 1020_850 1030_815 1035_860 1040_920 1025_760 1030_820 1035_865 1040_925 1025_765 1030_825 1035_870 1045_815 1025_770 1030_830 1035_875 1045_820 1025_775 1030_835 1035_880 1025_780 1030_840 1035_885 1025_785 1030_845 1035_890 1025_805 1030_850 1035_895 1025_810 1030_855 1035_900 1025_815 1030_860 1035_905 1025_820 1030_865 1035_910 1025_825 1030_870 1035_915 1025_830 1030_875 1035_920 The following is a description of the files contained on the CDROM: *bare.pts - Ground-level, variably-spaced DEM data in ASCII E,N,Z (2 decimal places) format. 99% of all buildings removed and 95% of vegetation removed from DEM Data acquistion date: May 12,15, June 01,07,08,16, 2004 Data processing date: June 24, 2004 Map coordinate system = Connecticut State Plane Horizontal datum = NAD83 Vertical datum = NAVD88 Geoid 99 Units = US Survey Feet DEM vertical accuracy = 0.5 ft RMSE