#Modified from rutorial from https://www.molecularecologist.com/2014/11/admixture-maps-in-r-for-dummies/
library(maps)
library(plotrix)

gps <- read.csv('gps.csv')

Including Plots

map('state')
map.axes()
#Add circles to positions in gps.data
points(gps$Longitude, gps$Latitude, cex = 2, col='red',pch=19)