TY  - BOOK
T1  - Directory of assistance centers of the National Water Data Exchange (NAWDEX)
DA  - [1990]
CY  - Reston, Va. :
CY  - Denver, Colo. :
AU  - Blackwell, Cassandra D.
VL  - 90-142
CN  - I 19.76:
PB  - U.S. Geological Survey ;
PB  - Books and Open-File Reports Section [distributor],
PP  - Reston, Va. :
PP  - Denver, Colo. :
PY  - [1990]
N1  - "Supersedes Open-file report 89-41"
N1  - At head of cover title: NAWDEX, National Water Data Exchange.
ID  - 263405
KW  - Hydrology
TI  - Directory of assistance centers of the National Water Data Exchange (NAWDEX)
ER  -