1978 Jaeger Rock Glacier Survey Map Download Jaeger Rock Glacier Survey Map (6 MB) - thumbnail picture above Jaeger Tongue-Shaped Rock Glacier, 7 Jul 1980 A high-resolution, near-nadir DigitalGlobe Quickbird (0.6 m pan pixels)or GeoEye IKONOS (1 m pan pixels) satellite image would enable this 1978 survey map to be georeferenced and loaded into a GIS.  Alternatively, orthorectified aerial photographs would enable georeferencing of this survey map.  The Theodolite and Stadia data were processed and coverted a format appropriate for map generation with programs J. Ellis wrote for a Texas Instruments hand-held calculator in the early 1980's.