Alexandra Mountains Topographic Reconnaissance Map (250K)

These files contain scans of Topographic Reconnaissance maps of Antarctica. The source maps were published at 1:250,000-scale by the U.S. Geological Survey in cooperation with the National Science Foundation. The extent of their coverage can be seen in the “Topographic Reconnaissance Index - 250k” layer of the Atlas of Antarctic Research viewer. Use the “VIEW” link below to look at a low resolution version of the map. Then download the selected map at full resolution by clicking the download link. The metadata for each of the maps is contained in the “Full Map”download file.

The maps were scanned at a ground resolution of 25.4 meters and range from 10 to 30 megabytes.They are provided in two formats:

Full Map

• Georeferenced to the publication projection
• With collar information
• With north at the top
• Metadata are included with the full map download file.

Seamless Map

• Collar information removed
• Georeferenced to the SCAR Polar Stereographic projection