Bøger af Mark J. Camp

The 25 road guides of Roadside Geology of Ohio, complete with 59 maps and figures and 172 photographs, lead you from one corner of the state to the other�from the flat till plains of the west to the hilly eastern Allegheny Plateau, and from the Ohio River valley to the Lake Erie shoreline.

Roadside Geology of Indiana provides a window to a vibrant and dynamic past. With this book as your guide, tour Indiana's timeworn topography and discover fossilized reefs, mastodon skeletons, geodes, buried bedrock valleys, and the site of a meteorite impact.