TY  - RPRT
TI  - Scanning and georeferencing historical USGS quadrangles (ver. 2.0, May 2015)
AU  - Larry R. Davis
AU  - William J. Carswell
PY  - 2015
DO  - 10.3133/fs20113009(version2.0)
UR  - https://pubs.usgs.gov/publication/fs20113009(VERSION2.0)
ID  - fs20113009(VERSION2.0)
ER  -