The image is a black and white map of a river or stream. The map is displayed on a white wall with a green banner on the left side that reads "One of the tasks of the Royal Engineers was to draw maps to assist the army in defending Canadian territory, such as this one showing." The map shows the river winding through the center of the image, with the river on the right side and the riverbank on the bottom. The riverbank is marked with a red line, and there are several smaller red lines scattered throughout the map.

The map appears to be a detailed representation of the river and its surrounding area, with various geographical features such as mountains, rivers, and cities labeled. There is also a legend on the top right corner of the map that explains the different colors and symbols used to represent different geographical features.