TY  - RPRT
TI  - Preliminary geologic map of the Memnonia quadrangle of Mars, Viking Mars 1975 landing site
AU  - T.A. Mutch
PY  - 1973
DO  - 10.3133/ofr73200
UR  - https://pubs.usgs.gov/publication/ofr73200
ID  - ofr73200
ER  -