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UMRR LTRM 2020 LCU Mapping - Mississippi River Pool 11 The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS) during the summer of 2020. A Land Cover/Land Use (LCU) spatial database was developed based on the 2020 aerial imagery, which adds a fourth systemic-wide database to the existing 1989, 2000, and 2010/11 LCU databases. While a crosswalk was used to update the 1989 LCU database (originally developed using a different classification system), the 2000, 2010/11, and 2020 LCU databases share the same classification, making them directly comparable from a classification standpoint. Furthermore, protocols... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Iowa, USGS-EMA-LOW-MR Landscape Ecology, USGS-EMA-LOW-PL Mississippi River, Wisconsin, aquatic vegetation, All tags... biota, ecology, floodplains, long-term ecological monitoring, maps and atlases, vegetation, wetland ecosystems, wetlands, Fewer tags [Geophysical Data] Depth to Moho GeoTIFF grids for the United States, Canada, and Australia The Mohorovicic discontinuity or 'Moho' maps the boundary between the earth's crust and mantle and is defined by an abrupt change in seismic velocity due to changes in the density of rocks between the crust and mantle. GeoTIFF grids that map depth to Moho (crustal thickness) for the United States and Canada, and for Australia are provided in this report and were used as evidential layers in developing prospectivity models for basin-hosted Pb-Zn mineralization (Lawley and others, 2022). A composite grid of Moho depths across the United States and Canada was created using data from Shen and Ritzwoller (2016) for the conterminous United States, from Zhang and others (2019) for Alaska, and from Schetselaar and Snyder... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Australia, CMMI, Canada, Critical Minerals Mapping Initiative, Exploring for the Future Program, All tags... GA, GGGSC, GSC, Geological Survey of Canada, Geology, Geophysics, and Geochemistry Science Center, Geoscience Australia, MRP, Mineral Resources Program, Moho, Mohorovičić discontinuity, TGI, Targeted Geoscience Initiative, U.S. Geological Survey, USGS, United States, critical minerals, crustal structure, crustal thickness, depth to Moho, geophysics, geoscientificInformation, lead, magnetic field (earth), mantle, mantle (earth), maps and atlases, metallic mineral resources, mineral resources, zinc, Fewer tags [Geophysical Data] Gravity and related derivative GeoTIFF grids and data for Australia Several evidential layers calculated from the national-scale gravity anomaly map of Australia (Geophysical Acquisition and Processing Section, 2020) are provided here. This directory includes GeoTIFF grids of Bouguer gravity, the horizontal gradient magnitude of the Bouguer gravity, the Bouguer gravity upward continued 30 km, and the horizontal gradient magnitude of the upward continued gravity, The directory also includes shapefiles of locations that trace the maxima of the horizontal gradient magnitude of the gravity and of the maxima of the horizontal gradient magnitude of the upward continued gravity. Otherwise known as “worms”, the points tracking the maxima mark the edges of shallow density sources (in the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Australia, Bouguer gravity, CMMI, Critical Minerals Mapping Initiative, Exploring for the Future Program, All tags... GA, GGGSC, GSC, Geological Survey of Canada, Geology, Geophysics, and Geochemistry Science Center, Geoscience Australia, MRP, Mineral Resources Program, TGI, Targeted Geoscience Initiative, U.S. Geological Survey, USGS, critical minerals, geophysics, geoscientificInformation, gravity, gravity anomaly, ground gravity, horizontal gradient magnitude, horizontal gradient magnitude maxima, lead, maps and atlases, metallic mineral resources, mineral resources, zinc, Fewer tags Transgressive Contours--Punta Gorda to Point Arena, California This part of DS 781 presents data for the transgressive contours of the Punta Gorda to Point Arena, California, region. The vector data file is included in the "TransgressiveContours_PuntaGordaToPointArena.zip," which is accessible from https://doi.org/10.5066/P9PNNI9H. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Punta Gorda and Point Arena was generated from seismic-reflection data collected between 2010 and 2012, and supplemented with geologic structure (fault) information following the methodology of Wong (2012). Water depths determined from bathymetry data were added to the sediment thickness data to... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: CMHRP, Coastal and Marine Hazards and Resources Program, Delgada Canyon, Distributions, Fort Bragg, All tags... Mendocino, Noyo Canyon, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Physical Habitats and Geomorphology, Point Arena, Point Delgada, Punta Gorda, Shelter Cove, Spanish Canyon, State of California, U.S. Geological Survey, USGS, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags Imagery The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS). Categories: Collection; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: USGS-EMA-LOW-MR Landscape Ecology, USGS-EMA-LOW-PL Mississippi River, aquatic vegetation, ecology, floodplains, All tags... imageryBaseMapsEarthCover, long-term ecological monitoring, maps and atlases, vegetation, wetland ecosystems, wetlands, Fewer tags UMRR LTRM 2020 4-Band Aerial Imagery Mosaic - Mississippi River Pool 13 The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS) during the summer of 2020. A Land Cover/Land Use (LCU) spatial database was developed based on the 2020 aerial imagery, which adds a fourth systemic-wide database to the existing 1989, 2000, and 2010/11 LCU databases. While a crosswalk was used to update the 1989 LCU database (originally developed using a different classification system), the 2000, 2010/11, and 2020 LCU databases share the same classification, making them directly comparable from a classification standpoint. Furthermore, protocols... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Illinois, Iowa, Minnesota, Missouri, USGS-EMA-LOW-MR Landscape Ecology, All tags... USGS-EMA-LOW-PL Mississippi River, Wisconsin, aquatic vegetation, ecology, floodplains, imageryBaseMapsEarthCover, long-term ecological monitoring, maps and atlases, vegetation, wetland ecosystems, wetlands, Fewer tags Paleoshorelines--Offshore of Monterey, California This part of DS 781 presents data for the paleoshorelines for the geologic and geomorphic map of the Offshore of Monterey map area, California. The vector data file is included in "Paleoshorelines_OffshoreMonterey.zip," which is accessible from https://doi.org/10.5066/F70Z71C8. These data accompany the pamphlet and map sheets of Johnson, S.Y., Dartnell, P., Hartwell, S.R., Cochrane, G.R., Golden, N.E., Watt, J.T., Davenport, C.W., Kvitek, R.G., Erdey, M.D., Krigsman, L.M., Sliter, R.W., and Maier, K.L. (S.Y. Johnson and S.A. Cochran, eds.), 2016, California State Waters Map Series—Offshore of Monterey, California: U.S. Geological Survey Open-File Report 2016–1110, pamphlet 44 p., 10 sheets, scale 1:24,000, https://doi.org/10.3133/ofr20161110. Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bathymetry, CMHRP, Coastal and Marine Hazards and Resources Program, Marina, Monterey, All tags... Monterey County, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Seafloor Topography, Seaside, State of California, U.S. Geological Survey, USGS, USGS:04e045cd-b3df-46f2-96e1-520105a02c4b, environment, geoscientificInformation, geospatial datasets, imageryBaseMapsEarthCover, maps and atlases, oceans, sea-floor characteristics, Fewer tags Isopachs--Pigeon Point to Monterey, California This part of DS 781 presents data for the sediment-thickness isopachs for the Pigeon Point to Monterey Bay, California, map region. The vector data file is included in "Isopachs_PigeonPointToMonterey.zip," which is accessible from https://doi.org/10.5066/F7N29V0Z. As part of the USGS's California State Waters Mapping Project, a 50-m-resolution grid of sediment thickness for the seafloor within the limit of California’s State Waters between Pigeon Point and southern Monterey Bay was generated from seismic-reflection data collected in 2009, 2010, and 2011 (USGS activities (S-15-10-NC, S-N1-09-MB, and S-06-11-MB) supplemented with outcrop and geologic structure from DS 781. Isopach contours at 2.5-meter intervals were... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Ano Nuevo, Aptos, Distributions, Marina, Monterey, All tags... Monterey County, Moss Landing, Pacific Ocean, Physical Habitats and Geomorphology, San Mateo County, Santa Cruz, Santa Cruz County, Soquel, State of California, USGS:56d4ec0fe4b015c306f17b4e, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment isopach, sediment thickness, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags UMRR LTRM 2020 LCU Mapping - Mississippi River Pool 04 The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS) during the summer of 2020. A Land Cover/Land Use (LCU) spatial database was developed based on the 2020 aerial imagery, which adds a fourth systemic-wide database to the existing 1989, 2000, and 2010/11 LCU databases. While a crosswalk was used to update the 1989 LCU database (originally developed using a different classification system), the 2000, 2010/11, and 2020 LCU databases share the same classification, making them directly comparable from a classification standpoint. Furthermore, protocols... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Minnesota, USGS-EMA-LOW-MR Landscape Ecology, USGS-EMA-LOW-PL Mississippi River, Wisconsin, aquatic vegetation, All tags... biota, ecology, floodplains, long-term ecological monitoring, maps and atlases, vegetation, wetland ecosystems, wetlands, Fewer tags Genetic and Habitat Data for Plantago ovata in the Mojave Desert These datasets were developed to represent the genetic diversity, population structure, and geographic distribution of Plantago ovata in the Mojave Desert. This data release consists of two tab-delimited text files representing the genetic diversity and structure of Plantago ovata (.genepop and .vcf), and two raster spatial datasets (GeoTIFF) reflecting predicted habitat for the species within the Mojave Desert. The genetic datasets record genetic variation at an individual level, with the file structures varying based on the programs within which the files are intended to be edited. Each file contains 13,111 SNPs genotyped in 748 individuals. The genepop file can be viewed in GENEPOP software (Rousset 2008) or... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Arizona, Botany, California, Genetics, Mojave, All tags... Nevada, USGS Science Data Catalog (SDC), Utah, biogeography, biota, evolution, genetic diversity, habitats, maps and atlases, native plant materials development, native species, species distribution model, Fewer tags Transgressive Contours--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the transgressive contours for the Point Conception to Hueneme Canyon, California, region. The vector file is included in "TransgressiveContours_PointConceptionToHuenemeCanyon.zip," which is accessible from http://dx.doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). Water depths determined from bathymetry data were... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment thickness, stratigraphic thickness, Fewer tags Isopachs--Point Conception to Hueneme Canyon, California This part of DS 781 presents data for the isopachs for the Point Conception to Hueneme Canyon, California, region. The vector data file is included in "Isopachs_PointConceptionToHuenemeCanyon.zip," which is accessible from https://doi.org/10.5066/F7891424. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Conception and Hueneme Canyon was generated from seismic-reflection data collected in 2014 (USGS activity 2014-632-FA) supplemented with outcrop and geologic structure (fault) information following the methodology of Wong (2012). This sediment thickness layer was merged with a previously published sediment... Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Carpinteria, Coal Oil Point, Gaviota, Hueneme Canyon, Pacific Ocean, All tags... Point Conception, Refugio Beach, Santa Barbara, Santa Barbara Channel, Santa Barbara County, State of California, Ventura, coastal geology, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment isopach, sediment thickness, stratigraphic thickness, Fewer tags Density raster of caves in Monroe County, West Virginia Monroe County, in southeastern West Virginia, hosts world-class karst within carbonate units of Mississippian and Ordovician age. There are at least 412 known caves in the county. Location data for these caves were collected from the West Virginia Speleological Survey (WVASS) Bulletin 22 (Dasher, 2019). Point features were created in ArcGIS Pro for each cave location and were used to make a point density raster. This raster displays the number of cave points per square kilometer. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geomorphology, Hydrology, Monroe County, USGS Science Data Catalog (SDC), United States, All tags... West Virginia, geologic maps, geology, geomorphology, geospatial analysis, hydrogeology, karst, maps and atlases, sinkhole formation, Fewer tags Isopachs—Point Sur to Point Arguello, California This part of DS 781 presents data for the isopachs of the Point Sur to Point Arguello, California, region. The vector data file is included in the “Isopachs_PointSurToPointArguello.zip,” which is accessible from https://doi.org/10.5066/P97CZ0T7. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Sur and Point Arguello was generated from seismic-reflection data collected between 2008 and 2014, and supplemented with geologic structure (fault and fold) information following the methodology of Wong (2012). Reference Cited: Wong, F. L., Phillips, E.L., Johnson, S.Y., and Sliter, R.W., 2012, Modeling of depth... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Avila Beach, CMHRP, Cambria, Coastal and Marine Hazards and Resources Program, Distributions, All tags... Gamboa Point, Gorda, Lafler Rock, Morro Bay, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Physical Habitats and Geomorphology, Piedras Blancas, Point Arguello, Point Buchon, Point Estero, Point Purisma, Point Sal, Point Sur, Ragged Point, State of California, U.S. Geological Survey, USGS, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceano Beach, oceans, sediment deposition, sediment isopach, sediment thickness, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags Transgressive Contours--Pigeon Point to Monterey, California This part of DS 781 presents data for the transgressive contours for the depth-to-transition map of the Pigeon Point to Monterey, California, map region. The vector file is included in T "TransgressiveContours_PigeonPointToMonterey.zip," which is accessible from https://doi.org/10.5066/F7N29V0Z. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the limit of California’s State Waters between Pigeon Point and southern Monterey Bay was generated from seismic-reflection data collected in 2009 and 2010 (USGS activities (S-15-10-NC, S-N1-09-MB, and S-06-11-MB) supplemented with outcrop and geologic structure from DS 781. The resulting grid covers was... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Ano Nuevo, Aptos, Distributions, Marina, Monterey, All tags... Monterey County, Moss Landing, Pacific Ocean, Physical Habitats and Geomorphology, San Mateo County, Santa Cruz, Santa Cruz County, Soquel, State of California, USGS:56d4edb8e4b015c306f17b52, coastal geology, computational methods, contouring, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceans, sediment deposition, sediment isopach, sediment thickness, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags Chesapeake Bay Land Use and Land Cover (LULC) Database 2022 Edition The Chesapeake Bay Land Use and Land Cover Database (LULC) facilitates characterization of the landscape and land change for and between discrete time periods. The database was developed by the University of Vermont’s Spatial Analysis Laboratory in cooperation with Chesapeake Conservancy (CC) and U.S. Geological Survey (USGS) as part of a 6-year Cooperative Agreement between Chesapeake Conservancy and the U.S. Environmental Protection Agency (EPA) and a separate Interagency Agreement between the USGS and EPA to provide geospatial support to the Chesapeake Bay Program Office. The database contains one-meter 13-class Land Cover (LC) and 54-class Land Use/Land Cover (LULC) for all counties within or adjacent to the... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Chesapeake, Delaware, District of Columbia, Land Use Change, Maryland, All tags... New York, Pennsylvania, Remote Sensing, USGS Science Data Catalog (SDC), Virginia, West Virginia, imageryBaseMapsEarthCover, land change, land use and land cover, land use change, maps and atlases, Fewer tags Transgressive Contours—Point Sur to Point Arguello, California This part of DS 781 presents data for the transgressive contours of the Point Sur to Point Arguello, California, region. The vector data file is included in the “TransgressiveContours_PointSurToPointArguello.zip,” which is accessible from https://doi.org/10.5066/P97CZ0T7. As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Point Sur and Point Arguello was generated from seismic-reflection data collected between 2008 and 2014, and supplemented with geologic structure (fault and fold) information following the methodology of Wong (2012). Water depths determined from bathymetry data were added to the sediment thickness... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Avila Beach, CMHRP, Cambria, Coastal and Marine Hazards and Resources Program, Distributions, All tags... Gamboa Point, Gorda, Lafler Rock, Morro Bay, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Physical Habitats and Geomorphology, Piedras Blancas, Point Arguello, Point Buchon, Point Estero, Point Purisma, Point Sal, Point Sur, Ragged Point, State of California, U.S. Geological Survey, USGS, environment, geoscientificInformation, geospatial datasets, maps and atlases, marine geology, oceano Beach, oceans, sediment deposition, seismic reflection methods, seismic reflection profiling, stratigraphic thickness, Fewer tags [Geophysical Data] Magnetic and related derivative GeoTIFF grids and data for the United States and Canada This directory includes GeoTIFF grids and shapefiles of magnetic data that cover the countries of the US and Canada. GeoTIFF grids of national-scale magnetic anomaly data for the conterminous United States (Ravat and others, 2009), Alaska (Division of Geological and Geophysical Surveys, 2016) and Canada (Miles and Oneschuk, 2016) were merged to create a composite residual magnetic anomaly grid of the United States and Canada. Several derivative products were calculated from the residual magnetic anomaly grid and are provided in this directory. Derivative grids include a reduced-to-pole (RTP) magnetic anomaly grid, the 1st vertical derivative of the RTP, the horizontal gradient magnitude pseudo-gravity calculated... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Canada, Reduction to magnetic north pole, United States, airborne magnetics, critical minerals, All tags... first vertical derivative, geophysics, geoscientificInformation, horizontal gradient magnitude, lead, magnetic anomaly, magnetic field (earth), maps and atlases, metallic mineral resources, mineral resources, pseudogravity, zinc, Fewer tags Stream Lines Used to Produce the South Carolina StreamStats 2018 Release The U.S. Geological Survey South Atlantic Water Science Center, in cooperation with the South Carolina Department of Transportation, implemented a South Carolina StreamStats application in 2018. This shapefile dataset contains vector lines representing streams, rivers, and ditches that were used in preparing the underlying data for the South Carolina StreamStats application. Data were compiled from multiple sources, but principally represent lidar-derived linework from the South Carolina Department of Natural Resources and the South Carolina Lidar Consortium.The South Carolina hydrography lines were created from elevation rasters that ranged from 4 to 10 ft resolution, to produce a product of approximately 1:6,000-scale.... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Abbeville County, Aiken County, Allendale County, Anderson County, Bamberg County, All tags... Barnwell County, Beaufort County, Berkeley County, Calhoun County, Charleston County, Cherokee County, Chester County, Chesterfield County, Clarendon County, Colleton County, Darlington County, Dillon County, Dorchester County, Edgefield County, Fairfield County, Florence County, Geography, Georgetown County, Georgia, Greenville County, Greenwood County, Hampton County, Horry County, Hydrology, Jasper County, Kershaw County, Lancaster County, Laurens County, Lee County, Lexington County, Marion County, Marlboro County, McCormick County, Newberry County, North Carolina, Oconee County, Orangeburg County, Pickens County, Richland County, Saluda County, South Carolina, South Carolina, Spartanburg County, Sumter County, USGS Science Data Catalog (SDC), Union County, Virginia, Water Resources, Williamsburg County, York County, computational methods, decision support methods, environment, flood preparedness, floods, floods and flood hazards, geographic information systems, geoscientificInformation, geospatial datasets, hazard preparedness, hydrography, hydrologic maps, hydrology, inlandWaters, lidar, maps and atlases, partnerships, river reaches, river systems, surface water (non-marine), water resource management, Fewer tags UMRR LTRM 2020 LCU Mapping - Mississippi River Pool 13 The U.S. Army Corps of Engineers' Upper Mississippi River Restoration (UMRR) program, through its Long Term Resource Monitoring (LTRM) element, collected aerial imagery of the systemic Upper Mississippi River System (UMRS) during the summer of 2020. A Land Cover/Land Use (LCU) spatial database was developed based on the 2020 aerial imagery, which adds a fourth systemic-wide database to the existing 1989, 2000, and 2010/11 LCU databases. While a crosswalk was used to update the 1989 LCU database (originally developed using a different classification system), the 2000, 2010/11, and 2020 LCU databases share the same classification, making them directly comparable from a classification standpoint. Furthermore, protocols... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Illinois, Iowa, USGS-EMA-LOW-MR Landscape Ecology, USGS-EMA-LOW-PL Mississippi River, aquatic vegetation, All tags... biota, ecology, floodplains, long-term ecological monitoring, maps and atlases, vegetation, wetland ecosystems, wetlands, Fewer tags 1 2 3 4 »