TY  - RPRT
TI  - Instructions for the preparation of data for the master water data index
AU  - Melvin D. Edwards
AU  - William A. Knecht
PY  - 1980
DO  - 10.3133/ofr80415
UR  - https://pubs.usgs.gov/publication/ofr80415
ID  - ofr80415
ER  -