Astrogeology Research Program

Quadrangles (Map Names)

Maps of Mercury:

H-n	Mercury maps H-1 through H-15; scale 1:5 million.

Maps of Venus:

1:50M	Preliminary pictorial map of Venus; scale 1:50 million.
B1 to 29	Number of Soviet Venera map, scale 1:5 million, on which named feature occurs. I-number denotes USGS Magellan Planning Chart map.
V1 to 62	Venus quads 1-62, scale is 1:5 million.

Lunar maps:

LAC	Lunar Charts 1 through 154; published in 1966 by ACIC for U.S. Air Force and NASA; scale 1:1 million.
LOC	Lunar Planning Charts 1 through 4; published in 1971 by ACIC for NASA under direction of U.S. Department of Defense (DoD); scale 1:2.75 million.
LM	Lunar Maps 1 through 144; scale 1:1 million; published 1978.
LMP	Lunar Earthside, Farside and Polar charts 1 through 3; published in 1970 by ACIC for DoD; scale 1:6 million.
LPC	Lunar Chart, published by Defense Mapping Agency (DMA) for NASA; scale 1:10 million.
LTO	Lunar Topographic Orthophoto Maps 1 through 104a,b,c,d; published by DMA, 1971-197x; scale 1:250,000.
Sn	"Special" map of LTO series, at high resolution (scale usually 1:50,000, may be 1:25,000 or 1:10,000). Full designation would be LTO 41B4 S2.
xxx	Adopted name that is not on any published map.

Maps of Mars:

1:15M	Synoptic maps; scale 1:15 million.
MC15	Mars Charts 1-30; scale 1:5 million; each chart also has a name (MC-9 = Tharsis), but we refer only to the number.
MC25NW	Northwest section of MC-25; scale 1:2 million.
Canber	Canberra; Viking 2 landing site map; scale 1:250,000.
Capri	Capri; pre-Viking alternate or safe site; scale 1:1 million.
Chryse	Chryse (Planitia); proposed Viking-1 prime landing site map; scale 1:1 million.
Chry E	East Chryse; Viking map, scale 1:1 million.
Chry W	West Chryse; Viking map, scale 1:1 million.
Cydoni	Cydonia; proposed Viking 2 prime landing site, scale 1:1 million.
Erythr	Erythraeum, 1973 proposed Soviet landing site map; scale 1:1 million.
Nereid	Nereidum Montes, 1973 proposed Soviet landing site map; scale 1:1 million.
Soviet	An unpublished Soviet map compiled from Mars 4 and 5 images.
Triton	Tritonis Lacus; proposed pre-Viking 2 backup landing site map, scale 1:1 million.
Utopia	Utopia Planitia; Viking 2 landing site map; scale 1:1 million.
Yorktn	Yorktown; Viking 1 landing site map; scale 1:250,000.
05072	Center coordinates of 1:500,000-scale maps. Latitude given first, then longitude; here, they are 5°N., 72°W.

Maps of Jovian satellites:

Prelim	Preliminary shaded relief drawing.
Ji2	Designation of satellite map and number. J = Jupiter; a = Amalthea, i = Io, e = Europa, g = Ganymede, c = Callisto. Map numbers 1-4.
Global	1:15 million-scale global map.

Maps of Saturnian satellites:

Prelim	Preliminary pictorial maps published in 1976.
Janus	No map or I-number.
Epimetheus	No map or I-number.
Mimas	Name of mapped satellite; scale 1:5 million.
Enceladus	Name of mapped satellite; scale 1:5 million.
Tethys	Name of mapped satellite; scale 1:10 million.
Dione	Name of mapped satellite; scale 1:10 million.
Rhea	Name of mapped satellite; scale 1:10 million.
Hyperian	No map or I-number.
Iapetus	Name of mapped satellite, scale 1:10 million.

Maps of Uranian satellites:

Miranda	Name of satellite; scale 1:5 million.
Ariel	Name of satellite; scale 1:5 million.
Umbriel	Name of satellite; scale 1:5 million.
Titania	Name of satellite; scale 1:5 million.
Oberon	Name of satellite; scale 1:5 million.
Puck	Satellite name; no map or coordinates.

Return to Specifics of the Gazetteer

Department of the Interior | US Geological Survey
Gazetteer Home | Astrogeology | Disclaimers & Privacy | Accessibility

Send comments, suggestions or questions to: Jennifer Blue, (jblue@usgs.gov)