The Johnson's map offered here is of "Upper Canada" and "Lower Canada" and includes both pages 17 and 18 from the 1861 edition of the Johnson & Browning Atlas.  

The maps encompass Quebec, including the Montreal environs, New Brunswick and Ontario and the Lakes Ontario, Erie and Huron. The colors are very bright.  The paper size is 25 inches by 18 inches.

This map is from my personal collection which I am beginning to sell off.  Unless noted otherwise in the description, the maps, prints and art that I sell are not "reproductions".  For example, offered maps are of the period.  Please check my other listings for additional items of interest.  I will combine shipping.