Dig in! hands-on soil investigations. [electronic resource] :
- Arlington, Va. : NSTA Press, c2001.
- xxii, 129 p. : ill.
"NSTA Stock Number: PB159X"--verso of title page. "Published with support from the Natural Resources Conservation Service, U.S. Department of Agriculture"--title page.
Includes bibliographical references (p. 123-126).
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2009.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Soil science--Study and teaching--Activity programs.
Soils--Study and teaching--Activity programs.
Electronic books.
S591.5 / .D54 2001eb
631.4
"NSTA Stock Number: PB159X"--verso of title page. "Published with support from the Natural Resources Conservation Service, U.S. Department of Agriculture"--title page.
Includes bibliographical references (p. 123-126).
Electronic reproduction.
Palo Alto, Calif. :
ebrary,
2009.
Available via World Wide Web.
Access may be limited to ebrary affiliated libraries.
Soil science--Study and teaching--Activity programs.
Soils--Study and teaching--Activity programs.
Electronic books.
S591.5 / .D54 2001eb
631.4