This tutorial introduces students to the concept of navigating with a topographic map and compass. Topics include the features and symbols used on U. S. Geological Survey (USGS) maps, the use of scale to represent...

This collection of historic topographic maps goes back to the late 19th century. Comparison of maps of the same area from different times allows users to observe changes in land use over time. The maps can be searched by...

The title of this website is most accurate: it is a collection of thousands of old maps. They are wonderful. The portal was created as part of a collaboration between the Great Britain Historical GIS Project, based at...