Maps are inherently unnatural. Projecting three-dimensional realities onto two-dimensional surfaces, they are abstractions that capture someone’s idea of what

Profiling 60 parks--from battlefields to national seashores--administered by the National Park Service, this edition also provides a brief glimpse at 29 additio

Describes the minerals, rocks, trees, wildflowers, birds, animals, fish, amphibians, reptiles and insects of the United States and Canada. Includes a listing of

Maps trace the development of the United States, showing environmental, political, social, and economic change