 Of the rest of the land, or 3.1% is settled (buildings or roads), or 0.8% is either rivers or lakes and or 37.6% is unproductive land.Of the built up area, housing and buildings made up 1.7% and transportation infrastructure made up 1.3%.Out of the forested land, 28.6% of the total land area is heavily forested and 3.5% is covered with orchards or small clusters of trees.