Denitrification and sediment ammonia in the Upper Mississippi River Upper Midwest Environmental Sciences Center - Sound science for better management USGS - Upper Midwest Environmental Sciences Centerhttp://www.umesc.usgs.gov/aquatic/brichardson_5003475.html- 11.2KB - USGS
Upper Midwest Environmental Sciences Center - Water Quality Data Upper Midwest Environmental Sciences Center - Water Quality Data USGS - Upper Midwest Environmental Sciences Centerhttp://www.umesc.usgs.gov/data_library/water_quality/ water_quality_page.html- 18.3KB - USGS
GIS Data - Pool 13 - Upper Mississippi River GIS Data - Pool 13 - Upper Mississippi River USGS - Upper Midwest Environmental Sciences Centerhttp://www.umesc.usgs.gov/geographic_search/river_selection/ upper_mississippi/reach_1/pool_13/p13_gis_data.html- 63.8KB - USGS
GIS Data - Pool 12 - Upper Mississippi River GIS Data - Pool 12 - Upper Mississippi River USGS - Upper Midwest Environmental Sciences Centerhttp://www.umesc.usgs.gov/geographic_search/river_selection/ upper_mississippi/reach_1/pool_12/p12_gis_data.html- 56.6KB - USGS
GIS Data - Pool 11 - Upper Mississippi River GIS Data - Pool 11 - Upper Mississippi River USGS - Upper Midwest Environmental Sciences Centerhttp://www.umesc.usgs.gov/geographic_search/river_selection/ upper_mississippi/reach_1/pool_11/p11_gis_data.html- 56.4KB - USGS