 Of the rest of the land, or 5.1% is settled (buildings or roads), or 0.3% is either rivers or lakes and or 47.4% is unproductive land.Of the built up area, housing and buildings made up 3.2% and transportation infrastructure made up 1.3%.Out of the forested land, 19.5% of the total land area is heavily forested and 3.8% is covered with orchards or small clusters of trees.