This is a simple two-column data frame (or matrix) containing x,y coordinates for a series of point locations. These data mimic UTM coordinates such that the first column contains Easting (x), and the second Northing (y) coordinates for the set of unique points.

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A data frame with 10 observations on the following 2 variables.

`col1`

A numeric vector of x-coordinates

`col2`

A numeric vector of y-coordinates

The coordinates of the points must have the same units and projection as the specified center.

This demonstration data has been manufactured for illustrative purposes only.

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