TY  - RPRT
TI  - Cost-effectiveness of the stream-gaging program in Maryland, Delaware, and the District of Columbia
AU  - David H. Carpenter
AU  - R.W. James
AU  - D.F. Gillen
PY  - 1987
DO  - 10.3133/wri874093
UR  - https://pubs.usgs.gov/publication/wri874093
ID  - wri874093
ER  -