# US Capital City list comes from https://github.com/TransferOrg/wapo-map-data/blob/master/data/us-state-capitals.csv
capitals <- read.csv('us-state-capitals.csv')
m <- leaflet() %>%
addTiles() %>% # Add default OpenStreetMap map tiles
addMarkers(lng=capitals$longitude,
lat=capitals$latitude,
popup=paste(capitals$description, capitals$name, sep=', '))
m # Print the map