What else but a pond can simultaneously increase your aesthetic pleasure, offer recreational opportunities, help the environment by providing wildlife habitat, and increase the value of your land? Tim Matson"s classic guide Earth Ponds, first published in 1982, remains the standard reference for pond owners and builders. Here is everything you need to know to plan, dig, sculpt, maintain, and enjoy your pond, and how to to keep it healthy for years. The Earth Ponds Source-book presents hundreds of additional tips, techniques, and resources, including how to plan a pond to attract wildlife; where to buy equipment and materials; how to build rafts, docks, and gazebos, and how to deal with common problems like weeds, algae, and crayfish.