ISBN-13: 9781523957736 / Angielski / Miękka / 2016 / 116 str.
"The topographical features of the valley of the Colorado, or the area drained by the Colorado River and its tributaries, are, in many respects, unique, as some of these features, perhaps, are not re-produced, except to a very limited extent, on any other portion of the surface of the globe..." This book relates the physical features of the Colorado Valley.