TY  - RPRT
TI  - The Vigil Network: Preservation and access of data
AU  - William W. Emmett
AU  - R. F. Hadley
PY  - 1968
DO  - 10.3133/cir460c
UR  - https://pubs.usgs.gov/publication/cir460C
ID  - cir460C
ER  -