Download citation soil geography of the usa a diagnostic horizon approach since 1980 our understanding of the factors and processes governing the distribution of soils on the earths . Soil geography of the usa a diagnostic horizon approach authors bockheim james this book is intended to serve as a textbook in soil geography a reference book for geographers ecologists and geologists and a tool for soil instructors landlookers mappers classifiers and information technologists. Soil geography of the usa a diagnostic horizon approach by bockheim jg published by springer cham heidelberg germany 2014 xxvii 320 pp gbp90 hardback isbn 978 3 319 06667 7. A chapter is devoted to each diagnostic horizon or combined horizons this book is intended to serve as a textbook in soil geography a reference book for geographers ecologists and geologists and a tool for soil instructors landlookers mappers classifiers and information technologists. Soil geography of the usa a diagnostic horizon approach authors view affiliations as have the techniques for studying soil patterns the approach used in this book relies on the national resources conservation service databases to delineate the distribution of each of the eight diagnostic epipedons and 19 subsurface horizons to identify