TY  - RPRT
TI  - Structures data collection for the national map using volunteered geographic information
AU  - Barbara S. Poore
AU  - Eric B. Wolf
AU  - Erin M. Korris
AU  - Jennifer L. Walter
AU  - Greg D. Matthews
PY  - 2012
DO  - 10.3133/ofr20121209
UR  - https://pubs.usgs.gov/publication/ofr20121209
ID  - ofr20121209
ER  -