The boundary of the state of Oregon, USA, in
lines format.
data (oregon.border)A data frame with 485 rows and 2 columns (the components
"x" and "y").
The map projection for this boundary, as well as the point
coordinates in oregon.env.vars, is the Lambert
Conformal Conic with standard parallels at 33 and 45
degrees North latitude, with the longitude of the central
meridian at 120 degrees, 30 minutes West longitude,
and with the projection origin latitude at 41 degrees,
45 minutes North latitude.