TY  - RPRT
TI  - Digital mapping techniques '04, workshop proceedings : May 16-19, 2004, Portland, Oregon
AU  - David R. Soller
PY  - 2004
DO  - 10.3133/ofr20041451
UR  - https://pubs.usgs.gov/publication/ofr20041451
ID  - ofr20041451
ER  -