Search

Start Over Resource Type Line data Subject Glaciers
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
1945. VMap1 is a vector digital topographic reference product developed by Natural Resources Canada (NRCan) and The Department of National Defence (DND).... Canada Centre for Mapping and Earth Observation.
2011. World Data Center for Paleoclimatology and NOAA Paleoclimatology Program (U.S.). This line shapefile represents Early Wisconsinan glacier limits. This report is an update of the Alaska PalaeoGlacier Atlas. It includes informatio... World Data Center for Paleoclimatology.
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the glacial limit lines in the United States. This layer is part of the Geologic Map of the United States, originally pub... Geological Survey (U.S.).
2005. King, Philip B., Arndt, Raymond E., Schruben, Paul G., Bawiec, Walter J., and Beikman, Helen M. This line shapefile shows the glacial limit lines, with line decorations (added for display purposes) in the United States. This layer is part of t... Geological Survey (U.S.).
2011. World Data Center for Paleoclimatology and NOAA Paleoclimatology Program (U.S.). This line shapefile represents the Late Wisconsinan glacier linits (extent). Pleistocene glaciers once covered >1,200,000 km2, from the continen... World Data Center for Paleoclimatology.
2011. World Data Center for Paleoclimatology and NOAA Paleoclimatology Program (U.S.). This line shapefile represents the maximum pleistocene glacier limits (extent). This report is an update of the Alaska PalaeoGlacier Atlas. It incl... World Data Center for Paleoclimatology.