TY  - RPRT
TI  - Topographic map of the Coprates Northwest Quadrangle of Mars
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1986
DO  - 10.3133/i1712
UR  - https://pubs.usgs.gov/publication/i1712
ID  - i1712
ER  -