Description Usage Format Source References Examples
Estimated extent of alluvium unit in the Wood River Valley aquifer system.
1 |
An object of SpatialPolygonsDataFrame class containing 1 Polygons. Geographic coordinates are in units of meters, in conformance with the North American Datum of 1983 (NAD 83), and placed in the Idaho Transverse Mercator projection (IDTM).
Extent defined by Bartollino and Adkins (2012, Plate 1).
Bartolino, J.R., and Adkins, C.B., 2012, Hydrogeologic framework of the Wood River Valley aquifer system, south-central Idaho: U.S. Geological Survey Scientific Investigations Report 2012-5053, 46 p., available at https://pubs.usgs.gov/sir/2012/5053/.
1 2 | sp::plot(alluvium.extent, col = "#BFA76F")
str(alluvium.extent)
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