1. An index of ecological integrity for the Mississippi alluvial plain ecoregion : index development and relations to selected landscape variables Author/Creator: Justus, B. G. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading
2. Investigation of water quality and aquatic-community structure in Village and Valley Creeks, city of Birmingham, Jefferson County, Alabama, 2000-01 Author/Creator: McPherson, Ann K. Publication/Creation: Denver, CO : U.S. Geological Survey, Branch of Information Services [distributor]. Resource Type: Book Access & Availability: Loading