TY  - RPRT
TI  - Topographic map of the Surtis Major Quadrangle of Mars
AU  - Members of the Engineering Geology and Ground Water Branches, U.S. Geological Survey
PY  - 1976
DO  - 10.3133/i967
UR  - https://pubs.usgs.gov/publication/i967
ID  - i967
ER  -