TY  - BOOK
AU  - J.V.B. Wells
TI  - Surface water supply of the United States, 1957. / 
T2  - Geological survey water-supply paper 1502
U1  - 631 SUR1957 
PY  - 1957///
CY  - Washington: D.C. 
PB  - U.S. Dept. of the Interior, Geological Survey, 
KW  - Water quality | Water-supply | West United States
N1  - Scope of work

; Cooperation; Division of work
ER  -