LongValley Caldera Digital Elevation Data
FGDG Metadata
The Long Valley Caldera DEM in this report was extracted from the USGS National Elevation Dataset (NED). The NED is a seamless raster dataset developed by merging the highest-resolution, best-quality 1:24,000-scale Digital Elevation Model (DEM) data available across the United States. A shaded relief model was created from this DEM and may be found in the DEM folder as well.
The data are provided in ArcInfo Grid format.
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ArcInfo Grid Format
| Data
directory |
TopographicData/DEM |
| Map
projection |
UTM |
| Zone |
11 |
| Datum |
NAD27 |
| Units |
Meters |
Data are provided in ArcInfo Grids format and
can be used in a number of GIS and visualization software packages.
The data include the following files:
| Lv_dem_utm |
DEM
data |
| Lvdemhs |
DEM shaded
relief model |
Download files to desktop
1. Go to the TopographicData/DEM folder to download the data
