The purpose of this book is to introduce land planners to the principles of remote sensing and to the applications remote sensing has to the land planning process. The potential applications to land planning are many and varied. For example, remote sensing techniques, and aerial photography in particular, can provide planners with an overview of their communities they can obtain in no other way. These same techniques can also provide planners with a whole variety of land resource data and have the capability of updating these data on a syste matic basis. Maps, too, can be produced from a...