This piece was originally published in Giving the Land a Voice: Mapping Our Home Places, edited by Sheila Harrington, LTA Land Trust Alliance of British Columbia, copyright 1999. Glossary Mapping Terms Base Map: contains geographical reference information on which attribute data may be plotted. An example of this is a map that shows only the outline of Canada’s borders. This map provides visual reference points onto which other features such as major cities, or geoclimatic regions can be accurately plotted, […]