TY  - BOOK
AU  - Correll, Donovan Stewart,
AU  - Correll, Helen B.,
CN  - QK142
CN  - QK142
CY  - [Washington]
DA  - 1972.
ID  - 58166
KW  - Aquatic plants
KW  - Wetland plants
N1  - At head of title: Clean water.
N1  - "16030 DNL 01/72."
PB  - Environmental Protection Agency; [For sale by the Supt. of Docs., U.S. Govt. Print. Off.]
PP  - [Washington]
PY  - 1972.
T1  - Aquatic and wetland plants of southwestern United States,
TI  - Aquatic and wetland plants of southwestern United States,
ER  -