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1. Application of High-resolution digital topographic data to the detection of incipient sinkhole formation in central Florida [C_FL_Sinkhole]
The topography of central Florida is an excellent example of a continental landscape dominated by a single geomorphic process: karst, an array of landforms formed in response to chemical weathering ...


2. Arctic National Wildlife Refuge Data; USGS, Alaska [EARTH_LAND_USGS_AK_Wildlif_Ref1]
Digital land cover and terrain data of the Arctic National Wildlife Refuge (ANWR) were prduced by the U.S. Geological Survey (USGS) Earth Resources Observation Systems Field Office, Anchorage, ...


3. Colville River Delta Landcover Data; USGS, Alaska [EARTH_LAND_USGS_AK_Colville1]
Vector and digital data from the Colville River area in Alaska. Data contains land cover classifications derived from Landsat MSS data, aerial photography, and ...


4. Defense Mapping Agency Digital Elevation Models, USGS [EARTH_LAND_DMA_DEM_AK1]
Digital elevation data including slope, aspect, and some with solar illumination are provided. Data are registered to a 50 meter UTM map grid. The pixel size can be altered to meet user ...


5. Digital Data Sets Describing Principal Aquifers, Surficial Geology, and Ground-Water Regions of the Conterminous United States [USGS_OFR_99-77]
This report contains digital data sets describing principal aquifers, surficial geology, and ground-water regions of the conterminous United States. The data source for the principal aquifers and ...


6. Digital Elevation Model (DEM) of Illinois at 1:250,000 [IGDNR_ALLST_INT]
This Arc/Info grid (raster) data set consists of edge-matched USGS 1:250,000 DEM tiles for Illinois. Cell size is 301 feet and cell values are elevations in meters above mean sea level ...


7. Digital Representation of a Map Showing the Thickness and Character of Quaternary Sediments in the Glaciated United States East of the Rocky Mountains [USGS-DDS-38]
This map shows the thickness and character of Quaternary deposits (including both glacial and younger, Holocene sediment) for the glaciated area of the United States east of the Rocky Mountains, at ...


8. Digital Terrain Data Sets for Alaska, USGS [EARTH_LAND_USGS_DEM_AK1]
This data set contains up to nine types of digital elevation data: 1-1 degree blocks, 2-1 degree x 3 degree mosaic of elevation (latitude/longitude coordinate system), 3-1 ...


9. GCIP Reference Data Set (GREDS), U.S. Geological Survey Open-File Report 94-388 [GCIP-GREDS]
The data sets on this compact disc are a compilation of several geographic reference data sets of interest to the global-change research community. The data sets were chosen with input ...


10. Geologic and structure maps of the Wallace 1 deg. x 2 deg. quadrangle, Montana and Idaho: A digital database [USGS_mapi-1509A]
This dataset was developed to provide a geologic map GIS of the Wallace 1x2 degree quadrangle for use in future spatial analysis by a variety of users. This database is not meant to be used or displayed ...


11. Geophysical, Sedimentological, and Photographic Data from the John Day Reservoir, Washington and Oregon [USGS_OFR_2004_1014]
Recently, concerns about declining stocks of endangered anadromous salmonids in the Columbia River basin raised the issue of restoration of riverine functions in this and other Columbia and Snake ...


12. Iditarod/George Resource Management Area; USGS, Alaska [EARTH_LAND_USGS_AK_Iditarod1]
Since the early 1980's the EROS Alaska Field Office (AFO) has been involved in the acquisition, classification, and analysis of digital land cover data over the State of Alaska, and to ...


13. Innoko National Wildlife Refuge Landcover and Topography; USGS, Alaska [EARTH_LAND_USGS_AK_Innoko1]
The Innoko National Wildlife Refuge digital data sets contain land cover classifications derived from Landsat MSS data, and elevation, slope and aspect data derived from DEM ...


14. Maps of Special Studies Zones (Active Fault Traces), California [EARTH_CRUST_CAL_EARTHQUAKE_MAP1]
Fault Hazard Zones Maps have been released by the California Department of Conservation Division of Mines and Geology: Official Maps of new and revised Special Studies Zones ...


15. National Petroleum Reserve in Alaska (NPRA) - Vegetation Map, USGS [EARTH_LAND_USGS_AK_NPRA_veg1]
A vegetation/land cover raster digital data set for the entire National Petroleum Reserve in Alaska (NPR-A) was generated from Landsat multispectral data sets. Included are eleven categories ...


16. Nowitna National Wildlife Refuge Data; USGS, Alaska [EARTH_LAND_USGS_AK_Nowitna_Ref1]
This digital data set on the Nowitna National Wildlife Refuge, Alaska, contains land cover classification derived from Landsat MSS data and elevation slope and aspect data derived from ...


17. Physiographic Divisions of Illinois [IGDNR_PHYSIO]
This data set records information about the Physiographic divisions of Illinois. The data set was digitized so that it could be included as an inset map on the 'Shaded Relief Map ...


18. Selawik National Wildlife Refuge Land Cover; USGS, Alaska [EARTH_LAND_USGS_AK_Selawik]
The Selawik National Wildlife Refuge USGS digital data set contains land cover classifications for the Selawik National Wildlife Refuge. The data is derived from Landsat MSS data and ...


19. Shaded Relief Map of Illinois [IGDNR_SHADEDREL]
This map shows the landforms of Illinois with a shaded relief portrayal. Nominal map scale is 1:250,000. This TIF image was derived from USGS Digital Elevation Model (DEM) data. ...


20. Shaded-relief and Color Shaded-relief maps of the Willamette Valley, Oregon USGS OFR 01-294 [USGS_OFR01-294]
This digital data set, compiled from new 10-meter digital elevation model (DEM) data, represents the physiography of the Willamette Valley, Oregon. This new physiographic data is useful because the ...


21. Slopes in Illinois Derived from the USGS Digital Elevation Model (DEM) from the Illinois State Geological Survey [IGDNR_STSLOPE]
Such data are useful in creating shaded relief images, characterizing topography and morphology, analyzing erosion potential and gross stream valley characteristics, and investigating ...


22. Spatial Databases for the Geology of the Northern Rocky Mountains - Idaho, Montana, and Washington [USGS_OFR_2005_1235]
A regionally consistent and integrated geologic spatial database for the Northern Rocky Mountains of Montana, Idaho, and eastern Washington, brings together forty-three 1:100,000- to 1:250,000-scale ...


23. Statewide Surface TIN of Illinois [IGDNR_ALLST_TIN]
These data are a Triangular Irregular Network (TIN) surface topography representation for the state of Illinois. The data include all of Illinois and extend approximately nine miles beyond ...


24. Structural Features in Illinois: Areal Extent of Anticlines, Domes, and the Glasford Disturbance (Polygon Features) [IGDNR_STRUCTPOLY]
These data are for use at a scale of 1:500,000 or smaller only. They are appropriate for use in regional thematic analysis, for display purposes, and for mapping environmental phenomena ...


25. Topographic Map Indexes for all United States and Antarctica; USGS [EARTH_LAND_USGS_Topo_Map_Index1]
Topographic Map Indexes for all States is a series of indexes and order forms of standard and special maps available from the U.S. Geological Survey as well as an index to the National ...


26. USGS Bathymetry Data from the Western Region Coastal and Marine Geology Program [EARTH_LAND_USGS_WALRUS_MAP1]
The USGS Western Region Coastal and Marine Geology division contains extensive bathymetry data through InfoBank ("http://walrus.wr.usgs.gov/infobank/gazette/html/bathymetry/gl.html") ...


27. Upper Kuskokwim River Resource Management Area (BLM); USGS [EARTH_LAND_USGS_AK_Kuskokwim]
This digital data set contains land cover classifications (for the Upper Kuskokwim River Resource Management Area, Alaska) was derived from Landsat 4 MSS data, and elevation, slope and ...


28. West Virginia Technical Center GIS Data Products [WVGIS]
The West Virginia GIS Technical Center (WVGISTC) provides GIS data on all disciplines of Earth Science. GIS data includes imagery and base maps, land cover, census, cultural ...


29. Yukon Flats National Wildlife Refuge; USGS [EARTH_LAND_USGS_AK_YUKON_FLATS]
Digital cartographic data is provided on the Yukon Flats National Wildlife Refuge. The data set contains land cover classifications derived from Landsat MSS data and elevation, slope ...


30. A Hypercube of Deep Sea Drilling Project (DSDP) Marine Geological and Geophysical Data [gov.noaa.ngdc.mgg.geology.G03930]   PARENT DIF
Dr. Christopher Jenkins of the University of Colorado Institute for Arctic and Alpine Research (INSTAAR), produced this data hypercube derived from the prime data (exclusive of G.R.A.P.E. and logging ...


31. Advanced CORK (ACORK) Data from the Nankai Trough, Ocean Drilling Program (ODP) Holes 808I and 1173B [gov.noaa.ngdc.mgg.geology.G13001]   PARENT DIF
The ASCII datasets contain pressure values measured at 10-min intervals at the seafloor and several subseafloor depths in two "Advanced CORK" hydrologic observatories installed by ODP in 2001 at Sites ...


32. Age, spreading rates, and spreading asymmetry of the world's ocean crust [gov.noaa.ngdc.mgg.geology.G04150]   PARENT DIF
The authors present four companion digital models of the age, age uncertainty, spreading rates and spreading asymmetries of the world's ocean basins as geographic and Mercator grids with 2 minute ...


33. Archive of Core and Site/Hole Data and Photographs from the Deep Sea Drilling Project (DSDP) [gov.noaa.ngdc.mgg.geology.G00993]   PARENT DIF
The Deep Sea Drilling Project (DSDP) operated the D/V GLOMAR CHALLENGER from 1968-1983, drilling 1,112 holes at 624 sites worldwide. The DSDP was funded by the US National Science Foundation and several ...


34. Archive of Core and Site/Hole Data and Photographs from the Integrated Ocean Drilling Program (IODP) [gov.noaa.ngdc.mgg.geology.IntegratedOceanDrillingProgramUSIO]   PARENT DIF
The US Science Operator for the Integrated Ocean Drilling Program (IODP) operated the drilling vessel JOIDES Resolution from 2004-2013 for worldwide expeditions numbering between 301 through 346. ...


35. Archive of Core and Site/Hole Data and Photographs from the Ocean Drilling Program (ODP) [gov.noaa.ngdc.mgg.geology.G03298]   PARENT DIF
The Ocean Drilling Program (ODP) operated the drilling vessel JOIDES Resolution from 1984-2003 for over 100 cruises worldwide. The ODP was funded by the U.S. National Science Foundation ...


36. Archive of Historic Core Data from the Ocean Drilling Program (ODP) Legs 101-129 (Pre-JANUS) [gov.noaa.ngdc.mgg.geology.G01013]   PARENT DIF
The Ocean Drilling Program (ODP) operated the drilling vessel JOIDES Resolution from 1984-2003 for over 100 cruises worldwide. The ODP was funded by the U.S. National Science Foundation ...


37. BLM/OCS Ecological Investigations of Petroleum Production Platforms in the Central Gulf of Mexico [gov.noaa.ngdc.mgg.geology.G02895]   PARENT DIF
The Ecological Investigations of Petroleum Production Platforms in the Central Gulf of Mexico Project was conducted by Texas A and M University under contract to NOAA and the Bureau of Land Management ...


38. BLM/OCS South Texas Outer Continental Shelf (STOCS) Project Sediment Data [gov.noaa.ngdc.mgg.geology.G02888]   PARENT DIF
The South Texas Outer Continental Shelf Project (STOCS) conducted by the University of Texas and the USGS with funding from BLM/NOAA.The USGS produced geochemical analyses of sediment and suspended ...


39. BLM/OCS Southern California Outer Continental Shelf Environmental Baseline Studies [gov.noaa.ngdc.mgg.geology.G02881]   PARENT DIF
Data in this file were produced by Science Applications, Inc., prime contractor on the Bureau of Land Management/Outer Continental Shelf - Southern California Studies (BLM/OCS). Data consist of six ...


40. Biogenic Silica and Carbon 14 Age Dates from Lake Victoria Cruise V95 Cores [gov.noaa.ngdc.mgg.geology.G02885]   PARENT DIF
The LLO operates in conjunction with the Limnological Research Center (LRC) in working towards fulfilling the objectives of the International Decade for the East African Lakes (IDEAL) to study the ...


41. Bottom Sediment Granulometric Data for the Continental Margins of the Bering, Chukchi, East Siberia, Laptev, and Beaufort Seas [gov.noaa.ngdc.mgg.geology.G02893]   PARENT DIF
These data are part of Roberts, Richard W., University of Washington, Department of Oceanography Special Report No. 70, Bottom Sediment Granulometric Data for the Continental Margins of the Bering, ...


42. CLIMAP 120K bp Sediment Data Files - Micropaleontology, Carbonate Percentages, Carbon 14 Age Dates, and Oxygen Isotope Data for 52 Selected Seafloor Cores [gov.noaa.ngdc.mgg.geology.G00995]   PARENT DIF
The CLIMAP (Climate: Long-range Investigation, Mapping, and Prediction) Project was funded by the National Science Foundation as part of the International Decade of Ocean Exploration (IDOE). ...


43. CLIMAP 18K bp Sediment Data Files - Micropaleontology, Stratigraphy and Geochemistry From Sea Floor Cores [gov.noaa.ngdc.mgg.geology.G00126]   PARENT DIF
The CLIMAP (Climate: Long-range Investigation, Mapping, and Prediction) Project was funded by the National Science Foundation aspart of the International Decade of Ocean Exploration (IDOE) Program. ...


44. CNEXO World-Wide Compilation of Published, Multi Component/Analyses of Ferromanganese Concretions [gov.noaa.ngdc.mgg.geology.G00251]   PARENT DIF
The Centre National Pour l'Exploitation des Oceans (CNEXO) ferromanganese nodule analysis files consist of geochemical data from published reports pertaining to oceanic ferromanganese deposits, ...


45. Chemical Composition of Ferromanganese Crusts in the World Ocean: A Review and Comprehensive Database. U.S. Geological Survey. [gov.noaa.ngdc.mgg.geology.G01019]   PARENT DIF
The USGS Ferromanganese Crust data set was compiled by F.T. Manheim and C.M. Lane-Bostwick of the U.S. Geological Survey, Woods Hole, MA. The data set consists of tables corresponding the ...


46. Counts of Foraminifera from Selected North Atlantic Cores, LDEO [gov.noaa.ngdc.mgg.geology.G01022]   PARENT DIF
Counts of primarily planktonic foraminifera from Dr. W.F. Ruddiman and staff at the Lamont-Doherty Earth Observatory of Columbia University are included in these files. Some diatom observations made ...


47. Deck41 Surficial Seafloor Sediment Description Database [gov.noaa.ngdc.mgg.geology.G02094]   PARENT DIF
Deck41 is a digital summary of surficial sediment composition for 36,401 seafloor samples worldwide. Data include collecting source, ship, cruise, sample id, latitude/longitude, date of collection, ...


48. EBSSED database-Surficial sediments of the eastern Bering Sea continental shelf [gov.noaa.ngdc.mgg.geology.G02124]   PARENT DIF
In order to facilitate descriptions of groundfish habitat over a large portion of the EBS shelf, the NMFS/AFSC has assembled a single comprehensive database of the point sample data (EBSSED; n=2,587) ...


49. Environmental Assessment of the Buccaneer Oil Field in the Northwestern Gulf of Mexico 1978-1979 [gov.noaa.ngdc.mgg.geology.G02883]   PARENT DIF
This data set contains analytical data from samples acquired from the Northwestern Gulf of Mexico area under contract to the Environmental Protection Agency (EPA) during 1978-1979. Individual contractors ...


50. Fichier de la Lithotheque Nationale d'Echantillons Marins (BRGM Core Descriptions) [gov.noaa.ngdc.mgg.geology.G02898]   PARENT DIF
In 1975 the BRGM and CNEXO in France joined to create a national marine geological sampling center at the Centre Oceanologique de Bretagne in Brest. This center collects and stores samples of the ...


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