TY  - BOOK
AU  - Montgomery,David R.
TI  - Dirt: the erosion of civilizations 
SN  - 9781429471794 (electronic bk.)
PY  - 2007///
CY  - Berkeley
PB  - University of California Press
KW  - Soil science
KW  - History
KW  - Soils
KW  - Soil erosion
N1  - Includes bibliographical references (p. 251-270) and index; Good old dirt -- Skin of the Earth -- Rivers of life -- Graveyard of empires -- Let them eat colonies -- Westward hoe -- Dust blow -- Dirty business -- Islands in time -- Life span of civilizations
UR  - http://www.netlibrary.com.libraryumpsa.idm.oclc.org/urlapi.asp?action=summary&v=1&bookid=191631
ER  -