TY  - RPRT
TI  - Shaded relief map of the Coprates quadrangle of Mars : MC-18, M 5M-15/58 RN
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1980
DO  - 10.3133/i1253
UR  - https://pubs.usgs.gov/publication/i1253
ID  - i1253
ER  -