TY  - RPRT
TI  - Landscape features, standards, and semantics in U.S. national topographic mapping databases
AU  - Dalia Varanka
PY  - 2009
DO  - 10.1109/geows.2009.29
UR  - https://pubs.usgs.gov/publication/70034920
ID  - 70034920
ER  -