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. Indications and potential sources of change in sand transport in the Brazos River, Texas Author/Creator: Dunn, David D. Publication/Creation: Austin, Tex. : U.S. Dept. of the Interior, U.S. Geological Survey, 2001 Resource Type: Book Access & Availability: Loading