TY  - RPRT
TI  - New digital data base helps to map North America
AU  - Carol A. Finn
AU  - Mark Pilkington
AU  - Alejandro Cuevas
AU  - Jaime Urrutia
PY  - 2006
DO  - 10.1029/01eo00190
UR  - https://pubs.usgs.gov/publication/70248025
ID  - 70248025
ER  -