  2004 - Exploring Environmental Solutions with Gis with Cdrom (Other) ISBN-13: 9780072977448 ISBN-10: 0072977442 Genres: Science & Math, Engineering & Transportation ?  2003 - The Earth Around Us Maintaining a Livable Planet (Paperback) ISBN-13: 9780813340913 ISBN-10: 0813340918 Genres: Science & Math, Engineering & Transportation, Outdoors & Nature ? |
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