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First published in 1996 8 editions in 1 language -
First published in 1999 2 editions in 1 language — 1 previewable -
First published in 1997 5 editions in 1 language -
First published in 1986 6 editions in 1 language -
First published in 1998 5 editions in 1 language -
First published in 1997 3 editions in 1 language -
First published in 1993 4 editions in 1 language -
First published in 1996 4 editions in 1 language -
First published in 2002 5 editions in 1 language -
First published in 1987 5 editions in 1 language -
First published in 2005 1 edition in 1 language -
First published in 2003 5 editions in 1 language -
First published in 1998 5 editions in 1 language -
First published in 1998 3 editions in 1 language -
First published in 1996 4 editions in 1 language -
First published in 2002 1 edition in 1 language -
First published in 2006 1 edition in 1 language -
First published in 2000 3 editions in 1 language -
First published in 1997 1 edition in 1 language -
First published in 1997 1 edition in 1 language
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Language
English 80
Subjects
Groundwater 23
Pollution 16
Water 12
Nitrates 5
Quality 5
Aquifers 3
Sewage 2
Ecology 1
Habitat 1
NATURE 1
Nitrogen 1
Radon 1
SCIENCE 1
First published
1997 12
1998 12
2002 8
1996 7
1987 4
1993 4
1999 4
2005 3
1986 2
1988 2
1994 2
2003 2
2006 2
1963 1
1983 1
1985 1
1989 1
1990 1
1995 1
2000 1
2001 1
2004 1
2008 1
2009 1
Publisher
Academic 1
Places
Georgia 4
Oregon 3
Cape Cod 2
Florida 2
Missouri 2
Wyoming 2
Alabama 1
Alaska 1
Colorado 1
Hawaii 1
Kansas 1
