TY  - BOOK
AU  - Ingram, William Marcus
AU  - Bartsch, Alfred F.
TI  - ANIMALS ASSOCIATED WITH POTABLE WATER SUPPLIES
U1  - 591.929 
PY  - 1960///
CY  - N. Y.
PB  - American Water Works Association
KW  - Fresh-Water Fauna -- U. S
KW  - Invertebrates
ER  -