Filters: Tags: HUC12 (X) > partyWithName: Yvonne Allen (X)

Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Tag Schemes Data Basin (1) View Results as: JSON ATOM CSV

Area Directly Influenced by the Lower Mississippi River This data used HUC-12 boundary dataset (below) along with elevation, levee and inundation frequency datasets to define an area that is directly affected by changes in river level on the Lower Mississippi River. Used in the GCPO CPA to determine habitat suitable for alligator gar spawning. This data set is a complete digital hydrologic unit boundary layer to the Subwatershed (12-digit) 6th level for the entire United States. This data set consists of geo-referenced digital data and associated attributes created in accordance with the "Federal Guidelines, Requirements, and Procedures for the National Watershed Boundary Dataset; Chapter 3 of Section A, Federal Standards, Book 11, Collection and Delineation of Spatial... Tags: alligator, basin, boundaries, gar, huc, All tags... huc12, hydrologic unit code, hydrologic units, mississippi, region, river, sub-basin, sub-region, subwatershed, watershed, watershed boundaries, watershed boundary dataset, wbd, Fewer tags