Meuse river altitude data set
meuse.alt.Rd
This data set gives a point set with altitudes, digitized from the 1:10,000 topographical map of the Netherlands.
Usage
data(meuse.alt)
Format
This data frame contains the following columns:
- x
a numeric vector; x-coordinate (m) in RDM (Dutch topographical map coordinates)
- y
a numeric vector; y-coordinate (m) in RDM (Dutch topographical map coordinates)
- alt
altitude in m. above NAP (Dutch zero for sea level)