If you would like copies by mail, send a self-addressed stamped envelope to Green Map, PO Box 249, New York, NY 10002-0249 USA. Postage: 1 map for 69 cents, 2 for 83 cents. Or, order 2 copies for $5 including postage through our online Store with your credit card, and help support our work in NYC. You can also obtain a poster version though our Store http://greenmap.org/greenhouse/store.