TY  - RPRT
TI  - Vigil Network sites: A sample of data for permanent filing
AU  - Luna Bergere Leopold
AU  - William W. Emmett
PY  - 1965
DO  - 10.1080/02626666509493401
UR  - https://pubs.usgs.gov/publication/70185670
ID  - 70185670
ER  -