TY  - RPRT
TI  - Shaded relief map of the Mare Tyrrhenum Quadrangle of Mars
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1978
DO  - 10.3133/i1123
UR  - https://pubs.usgs.gov/publication/i1123
ID  - i1123
ER  -