TY  - RPRT
TI  - Processed 1938 aerial photography for selected areas of the lower Colorado River, southwestern United States
AU  - Laura M. Norman
AU  - Michael Gishey
AU  - Leila Gass
AU  - Brian Yanites
AU  - Edwin Pfeifer
AU  - Ron Simms
AU  - Ray Ahlbrandt
PY  - 2006
DO  - 10.3133/ofr20061141
UR  - https://pubs.usgs.gov/publication/ofr20061141
ID  - ofr20061141
ER  -