The government takes what it wants without compensation.
http://www.foxnews.com/politics/2013/09/07/california-raisin-grower-battles-federal-order-taking-almost-half-his-crop/?intcmp=obnetwork
http://www.foxnews.com/politics/2013/09/07/california-raisin-grower-battles-federal-order-taking-almost-half-his-crop/?intcmp=obnetwork