TY  - RPRT
TI  - Interpretation; Apollo 9 photography of parts of southern Arizona and southern New Mexico
AU  - J. Robert Owen
AU  - Lynn M. Shown
PY  - 1973
DO  - 10.3133/ofr73215
UR  - https://pubs.usgs.gov/publication/ofr73215
ID  - ofr73215
ER  -