MrSid Mosaic of Inch to Mile Scale Digital Raster Graphics (DRG)- GLBA UTM8
GIS Team National Park Service, Alaska Regional Office. 1998. MrSid Mosaic of Inch to Mile Scale Digital Raster Graphics (DRG)- GLBA UTM8. National Park Service, Alaska Regional office
Raster image of scanned USGS topological maps at 1:63,360 scale. DRG's retain most of the geometric and visual qualities of the source maps. The DRGs have been clipped by NPS to remove all text and annotations contained on the topographic sheets that are outside the map quadrangle boundary. NPS has also projected these products to Alaska Albers.The moasic was created using LizardTech MrSid software at a 20:1 compression ratio.
- Type
- Geospatial Dataset
- Authors
- GIS Team National Park Service, Alaska Regional Office
- Date of Issue
- 1998-01-01
- Publisher
- National Park Service, Alaska Regional office
- Units
- GLBA
- Keywords
- Alaska, Digital Raster Graphic, DRG, Glacier Bay National Park and Preserve, GLBA, image mosaic