TY  - RPRT
TI  - Geologic Map of the MTM-20272 and-25272 Quadrangles, Tyrrhena Terra Region of Mars
AU  - Scott C. Mest
AU  - David A. Crown
PY  - 2006
DO  - 10.3133/sim2934
UR  - https://pubs.usgs.gov/publication/sim2934
ID  - sim2934
ER  -