Crusty's little book on biological soil crust
By: [written and designed by Doug Johnson]
Contributors: Geological Survey (U.S.)
Publisher: U.S. Dept. of the Interior, Geological Survey
Published: 2002
Place of publication: [Reston, Va.?
Language: eng
Number of pages: 23
Subjects: Soil crusting; Soil chemistry; Earth -- Surface
Other titles: Biological soil crust
Notes: Cover title

Shipping list no.: 2003-0007-P