A Checklist of the Aquatic Invertebrates of the Delaware River Basin, 1990-2000
A Checklist of the Aquatic Invertebrates of the Delaware River Basin, 1990-2000 By Michael D. Bilger, Karen Riva-Murray, and Gretchen L. Wall Data Series 116 U.S. Department of the Interior U.S. Geological Survey U.S. Department of the Interior Gale A. Norton, Secretary U.S. Geological Survey Charles G. Groat, Director U.S. Geological Survey, Reston, Virginia: 2005 For sale by U.S. Geological Survey, Information Services Box 25286, Denver Federal Center Denver, CO 80225 For more information about the USGS and its products: Telephone: 1-888-ASK-USGS World Wide Web: http://www.usgs.gov/ Any use of trade, product, or firm names in this publication is for descriptive purposes only and does not imply endorsement by the U.S. Government. Although this report is in the public domain, permission must be secured from the individual copyright owners to repro- duce any copyrighted materials contained within this report. Suggested citation: Bilger, M.D., Riva-Murray, Karen, and Wall, G.L., 2005, A checklist of the aquatic invertebrates of the Delaware River Basin, 1990-2000: U.S. Geological Survey Data Series 116, 29 p. iii FOREWORD The U.S. Geological Survey (USGS) is committed to providing the Nation with accurate and timely sci- entific information that helps enhance and protect the overall quality of life and that facilitates effec- tive management of water, biological, energy, and mineral resources (http://www.usgs.gov/). Informa- tion on the quality of the Nation’s water resources is critical to assuring the long-term availability of water that is safe for drinking and recreation and suitable for industry, irrigation, and habitat for fish and wildlife.
[Show full text]