Do you have the small scale topo sheets as well?

No. The familiar topos named by letter-number combinations, (030M, for example covers the the Golden Horseshoe at 1:250,000, 030M14, covers Markham at 1:50,000) come from the NTS (National Topographic...

Is there anything more current than 1983?

The current edition, referred to as the 1983 series was produced between 1977 and 2000 using the NAD83 datum. The year of the photo each sheet was based on is recorded at the bottom of the map sheet. ...

What file formats are available for OBM?

Besides printed hard copies, OBM can be purchased as PDF (read-only), as a georeferenced raster (tiff), or in vector formats (SHP for GIS or DWG for CAD), consisting of points, lines, polygons, and an...

What is the map scale of OBM?

1:10,000 in southern Ontario, meaning each 24″ x 30″ map sheet covers 5km x 5km, or, 1:20,000 for northern Ontario, meaning each sheet covers 10km x 10km.

What kind of data layers are available in MapCast and how are they organized?

MapCast connects you to all of First Base Solutions’ high resolution aerial imagery, plus 1-m elevation contour lines. Layers are grouped by province, upper tier municipality, region and vintage. Fo...