TY  - RPRT
TI  - Scanning and georeferencing historical USGS quadrangles
AU  - Larry R. Davis
AU  - G.J. Allord
PY  - 2011
DO  - 10.3133/fs20113009
UR  - https://pubs.usgs.gov/publication/fs20113009
ID  - fs20113009
ER  -