© 1999 Maryland Department of Natural Resources. All rights reserved under international copyright conventions. No part of the contents of this book may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording or by any information storage or retrieval system, without the written consent of the publisher. This project was partially funded through a grant from the USDA Cooperative States Research Education and Extension Service, and although this project is funded in part by the Environmental Protection Agency, it does not neccessarily reflect the opinion or position of the EPA. Top of page | Fragile: handle with care