TY  - BOOK
AU  - Ackerman,Edward Augustus
AU  - O.G.,George
TI  - Technology in American water development
U1  - 628.10973 
PY  - 1959///
CY  - Baltimore
PB  - John Hopkins Press
KW  - Information storage and retrieval systems
KW  - Environmental protection
KW  - Data processing
N1  - "General references" : p. 667-672 ; bibl. footnotes; "Col. fold. map" inside pocket at the end
ER  -