DEM (Digital Elevation Map) of southern Manitoba using GTOPO 30 arcsecond data (W100N90 found at USGS EROS Data Center) using drawmap software:

Using the same drawmap software except using the new Shuttle Radar Topography Mission (SRTM) 30 arcsecond data (W100N90 found at the USGS SRTM ftp site):

The same GTOPO 30 arcsecond data plotted with the extremely powerful (and complex) Generic Mapping Tools (GMT) package:

NEW!  Using the special hybrid SRTM30Plus data of the same area:

Using the same GMT package, here is the same map plotted using the high resolution Shuttle Radar Topography Mission (SRTM) 3 arcsecond data (N49W097, N49W098, N49W099, N50W097, N50W098, N50W099 found at the USGS SRTM ftp site):

Notice the dramatic increase in resolution when comparing the GTOPO30 arcsecond data to the SRTM 3 arcsecond data!  Click the images above to view larger versions.

GTOPO/SRTM 30 arcsecond data resolution = 1000 m
SRTM 3 arcsecond data resolution = 90 m
SRTM 1 arcsecond data resolution = 30 m (not available for Canada!)

Special thanks go to Robert Fromm for giving me the tips I needed to get started with SRTM data and the GMT software!

NEW! Here is the same SRTM 3 arcsecond plot again, using newer data and a new version of GMT:

New!  Using CDED (Canadian Digital Elevation Data), I am able to match and exceed the SRTM data that is available for Canada:

CDED 3 arcsecond data resolution = 90 m
CDED 0.75 arcsecond data resolution = 23m

First, here is an image on the same scale as those above, with the 1:250000 data (3 arcsecond/90m):

Finally, here is an image on the smaller scale as those above, with the 1:50000 data (0.75 arcsecond/23m).  This is too large to create with my computer, so the image boundaries are smaller than the ones above:

NEW! A zoomed-in area of particular interest i.e. Morden/Winkler area, also with the same 0.75 arcsecond CDED data, this time overlayed with NRN (National Road Network) data also from GeoBase: