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US environmental grids 5 km
Short title:
USgrids5km For the purpose of mapping heavy metal concentrations, a list of environmental predictors have been prepared using the data available from the USGS and the National Atlas. Available layers:
The dataset consists of 14 gridded maps, possibly extendable to 130 grids if one also includes the indicators. Description of each grid is available in the *.rdc file.
Spatial structure:
proj4:
+proj=aea +lat_1=29.5 +lat_2=45.5 +lat_0=23 +lon_0=-96 +x_0=0 +y_0=0 +ellps=GRS80 +datum=NAD83 +units=m +no_defs
Location:
United States
Data owner:
USGS / National Atlas
Reference:
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