Ground water in the western hemisphere /
Ground water in the western hemisphere /
Department of Economic a nd Social Affairs.
- New York : United Nations, 1976.
- ix, 337 p. : ill. ; 28 cm.
- Natural resources/water series ; no. 4. .
"United Nations publication. Sales no. E.76.II.A.5."
Includes bibliography.
Groundwater ----America.----
"United Nations publication. Sales no. E.76.II.A.5."
Includes bibliography.
Groundwater ----America.----