40391019
9781494234690
U.S. Department of the Interior National Park Service is the author of 'Protocol for Monitoring Aquatic Invertebrates at Ozark National Scenic Riverways, Missouri, and Buffalo National River, Arkansas (Natural Resource Report NPS/HTLN/NRR?2007/009)', published 2007 under ISBN 9781494234690 and ISBN 1494234696.
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