TY  - BOOK
ED  - United Nations. 
TI  - Ground water in the western hemisphere / 
PY  - 1976///
CY  - New York  : 
PB  - United Nations, 
KW  - Groundwater
KW  - America
N1  -  "United Nations publication. Sales no. E.76.II.A.5.";  Includes bibliography
ER  -