The key to creating a good topographic relief map is good material stock. [Steve] is working with plywood because the natural layering in the material mimics topographic lines very well ...

The key to creating a good topographic relief map is good material stock. [Steve] is working with plywood because the natural layering in the material mimics topographic lines very well ...

Before you’ve packed your bags and before you’ve gassed up the wagon, there’s the little issue of figuring out where you’re actually going to go and — more importantly, if you’re going ...

THE practical problems involved in the interpretation of geological and topographical maps are here dealt with in a manner likely to appeal to students of geology and civil engineering.