TY  - RPRT
TI  - Conceptual design for the National Water Information System
AU  - Melvin D. Edwards
AU  - Arthur L. Putnam
AU  - Norman E. Hutchison
PY  - 1986
DO  - 10.3133/ofr86604
UR  - https://pubs.usgs.gov/publication/ofr86604
ID  - ofr86604
ER  -