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1. Relative Wilderness in the Contiguous United States [Relative_Wilderness_US]
Relative wildness of the contiguous United States. A combination of data representing the six attributes of the land that contribute to its wildness. These attributes are solitude, remoteness, uncontrolled ...

2. Relative Wilderness of the Eastern United States [Relative_Wilderness_Eastern_US]
Relative Wildness of the eastern United States. A combination of data representing the six attributes of the land that contribute to its wildness. These attributes are solitude, remoteness, uncontrolled ...

3. Relative Wilderness of the Chesapeake Bay Watershed [Relative_Wilderness_Chesapeake]
Relative wildness of the Chesapeake Bay watershed. A combination of data representing the six attributes of the land that contribute to its wildness. These attributes are solitude, remoteness, uncontrolled ...

4. Zodiacal Light, Earth and Cloud Photos and Spectrograms, and Synoptic Weather Photos from the Gemini Series (Manned) Spacecraft [GEMINI5]
The GEMINI series manned spacecraft are mostly cone-shaped. The major objectives of the mission were to demonstrate (1) a long-duration manned flight using a fuel cell power system, (2) rendezvous ...

5. National Seismic Hazard Maps from the USGS National Seismic Hazard Mapping Project [USGS_NSHMP]
The National Seismic Hazard Mapping Project (NSHMP) provides online maps. The hazard maps depict probabilistic ground motions and spectral response with 10%, 5%, and 2% probabilities of exceedance ...

6. Atlas of Coastal Bays of Maryland on CD-ROM from State of Maryland Department of Natural Resources [MD_DNR_CDROM_COASTALBAYS]
This CD-ROM contains an electronic atlas of Maryland's Atlantic coast including coastal bays, marshes, barrier beaches and coastal upland. The data cover the coastal bays regions of Maryland and ...

7. Coastal Erosion and Wetland Change in Louisiana: Selected USGS Products [USGS-DDS-79]
Louisiana contains 25 percent of the vegetated wetlands and 40 percent of the tidal wetlands in the 48 conterminous States. These critical natural systems are being lost. Louisiana leads the Nation ...

8. ESRI Data and Maps [ESRI_DM]
ESRI Data & Maps is preconfigured to work with ESRI's software products and is also bundled with ArcGIS software and solutions products such as ArcGIS Business ...

9. EarthTrends: The Environmental Information Portal [WRI_EarthTrends]
EarthTrends is an online collection of information regarding the environmental, social, and economic trends that shape our world. Committed to the principle that accurate information drives ...

10. Florida Geographic Data Library [FGDL]
The Florida Geographic Data Library (FGDL) is a mechanism for distributing spatial (GIS) data throughout the state of Florida. The FGDL is warehoused and maintained at the University of Florida's ...

11. New Jersey Landscape Change Research [RUTGERS_LANDSCAPE_CHANGE]
A group of researchers at Rutgers is collaborating to study and address one of New Jersey's most pressing issues: the rapid development of the state's landscapes. Building on existing research, like ...

12. U.S. Geological Survey (USGS) and the American Geological Institute (AGI) Global GIS Database [Global_GIS]
The U.S. Geological Survey (USGS) and The American Geological Institute (AGI) announced a cooperative agreement that will focus on making the USGS Global Geographic Information ...

13. Geologic map and map database of the Palo Alto 30' X 60' quadrangle, California [USGS_Report_MF-2332]
This database and accompanying plot files depict the distribution of geologic materials and structures at a regional (1:100,000) scale. The report is intended to provide geologic information for the ...

14. Baseline and Historic Depositional Rates and Lead Concentrations, Floodplain Sediments, Lower Coeur d'Alene River, Idaho [USGS_OFR_2004_1211]
Lead-rich sediments, containing at least 1000 ppm of lead (Pb), and derived mainly from discarded mill tailings in the Coeur d'Alene mining region, cover about 60 km2 of the 80-km2 floor of the main ...

15. Arctic National Wildlife Refuge (ANWR) Data Base, U.S. Fish and Wildlife Service, Alaska [EARTH_LAND_USFWS_AK_Wildlife1]
The Arctic National Wildlife Refuge (ANWR) is the most northern and one of the largest Refuges within America's National Wildlife Refuge System. The Arctic Refuge is managed by the U.S. ...

16. Hydrologic Units Maps of the Conterminous United States for the EPA Clean Air Mapping and Analysis Program (C-MAP) [HUC250k]
The Geographic Information Retrieval and Analysis System (GIRAS) was developed in the mid 70s to put into digital form a number of data layers which were of interest to the USGS. One of these data ...

17. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas [USGS_OFR0047]   CHILD METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of coal-bearing regions in China. This data set will be utilized in energy research and ...

18. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Coal field locations [USGS_OFR0047_coal_type]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of coal fields in China. This data set will be utilized in energy research and cartographic projects. This ...

19. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Coal-bearing regions, USGS OFR 00-47 [USGS_OFR0047_coal_bearing]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of coal-bearing regions in China. This data set will be utilized in energy research and cartographic projects. ...

20. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Energy commodities [USGS_OFR0047_commodities]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of commodities in China. This data set will be utilized in energy research and cartographic projects. This ...

21. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Major coal mine locations [USGS_OFR0047_mines]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of major coal mines and their production in China. This data set will be utilized in energy research and cartographic ...

22. Coal-Bearing Regions and Structural Sedimentary Basins of China and Adjacent Seas: Structural sedimentary basins [USGS_OFR0047_sed_basins]   PARENT METADATA
The purpose of this dataset is to give geologists and other scientists a spatial database of structural sedimentary basins in China. This data set will be utilized in energy research and cartographic ...

23. Population estimates of emperor penguins, Mawson coast, Antarctica [ASAC_484]
Metadata record for data from ASAC Project 484 See the link below for public details on this project. ---- Public Summary from Project ---- Emperor penguins are the only birds that breed in the Antarctic ...

24. Survey report 1998/99 summer season Voyage 5.1 Australian Antarctic Division Author - J.Hyslop / AAD [survey_1998-99_V5.1]
Taken from sections of the report: The aim of the survey and mapping program on V5.1 was to carry out various surveying tasks at Mawson and Casey as listed later in this report. The vessel used ...

25. Catalogue of expedition maps relevant to shelf ice research, period 1770-1950 [shelf_ice_maps_1770-1950]
In the proces of studying the dynamics of Antarctic ice shelves based on historic expedition maps, a map catalogue was compiled. This catalogue contains descriptions of (copies of) maps ...

26. GIS Data from the Montgomery County Maryland Atlas Project [CGIS_montgomery_GIS_atlas]
This data atlas provides GIS maps for download into a GIS database. The atlas includes feature data and image data. The feature data consists of airports, census block groups, ...

27. Maryland Mapping Resource Guide [CGIS_MMRG]
The Maryland Mapping Resource Guide (MMRG) provides users with an easy, convenient way to search and retrieve contact information for Maryland State Geographic Information Coordinating ...

28. Nautical Charts Source Data [CGS_NCD_CHART_SOURCE]
This file contains the raw data used in the construction of Coast Survey Nautical Charts. Anything shown in those charts is traceable to an item in this file. Such data are frequently used in litigation, ...

29. The development of the Antarctic ice shelves during the period 1770-1950 based on expedition maps [shelf_ice_1770-1950]
Since about 1773 when the British captain James Cook first crossed the Antarctic Circle a vast amount of scientific data on conditions around Antarctica have been collected. Many of these ...

30. Digital depth horizon compilations of the Alaskan North Slope and adjacent arctic regions [USGS_OFR_2003_230]
The Digital depth horizon compilations of the Alaskan North Slope and adjacent arctic regions file report contains data that has been digitized and combined to create four detailed depth horizon grids ...

31. Regional Geochemical Results from the Analyses of Rock, Soil, and Vegetation Samples-Big Delta B-2 Quadrangle, Alaska [USGS_OFR_2005_1431]
The USGS reports the chemical analyses for rocks, soil, soil water, and vegetation, collected from throughout the Big Delta B-2 quadrangle in east-central Alaska, for the period 1998-2002. This study ...

32. 1:50,000 Topographic maps from Japan Antarctic Research Expedition (JARE) [GSI_JARE_TOPOMAPS]
The data set consists of 1:50,000 topographic maps which cover most areas of the Sor-Rondane Mountains, with 21 sheets. The contour interval is 20 m. All maps have been digitalized into raster data ...

33. 2002 Volcanic Activity in Alaska and Kamchatka: Summary of Events and Response of the Alaska Volcano Observatory [USGS_OFR_2004_1058]
The Alaska Volcano Observatory (AVO) tracks activity at the more than 40 historically active volcanoes of the Aleutian Arc. As of December 31, 2002, 24 of these volcanoes are monitored with short-period ...

34. A Digital Geological Map Database For the State of Oklahoma [USGS_OFR_2003_247]
This report consists of a compilation of twelve digital geologic maps provided in ARC/INFO interchange (e00) format for the state of Oklahoma. The source maps consisted of nine USGS 1:250,000-scale ...

35. A Forest Vegetation Database for Western Oregon [USGS_OFR_2004_1249]
Data on forest vegetation in western Oregon were assembled for 2323 ecological survey plots. All data were from fixed-radius plots with the standardized design of the Current Vegetation Survey (CVS) ...

36. A New High-Resolution National Map of Vegetation Ecoregions Produced Empirically Using Multivariate Spatial Clustering [ORNL_MGC]
A parallel supercomputer was used to divide the conterminous 48 states of the United States into 1000, 2000, 3000, 5000, and 7000 ecoregions with relatively homogeneous values of elevation, edaphic, ...

37. AMSRIce03 Photomosaics [NSIDC-0430]
Notice to Data Users: The documentation for this data set was provided solely by the Principal Investigator(s) and was not further developed, thoroughly reviewed, or edited by NSIDC. Thus, support ...

38. ANSCIA Barrow Ground Control Point Database [INSTAAR_BARROW_ANSCIA]
This series of web pages presents site information for 63 Ground Control Points (GCP's) measured near Barrow, Alaska, during the summer of 2001 using Differential GPS. The GCP's were measured ...

39. Aerial Photo Single Frames [APSF]
The Aerial Photography Single Frame Records collection is a large and diverse group of imagery acquired by Federal organizations from 1937 to the present. Over 6.4 million frames of photographic images ...

40. Aerial Photographic Census of Birds in the Windmill Islands in 1990-91 [ASAC_1219_AAT_Img_C_90]   PARENT METADATA
Population data derived from counts of penguins on aerial photographs taken at 500m altitude. Odbert Island colonies were not photographed as the island is within ASPA 103. 23 flight runs were made. ...

41. Aerial Photography of Antarctica [USARC_AERIAL_PHOTOS]
The USARC maintains all US Aerial Antarctic Mapping photography and USGS flight indexes of the Antarctic. There are over 500,000 photographs in the collection. Most photographs are 9" x 9" black ...

42. Aerial Photos for Crazy Woman and Clear Creek Watersheds [wygisc_wolphoyo]
The purpose of this data was to provide a base layer of aerial photos at the watershed scale for two areas used as part of a the Wyoming Open Land pilot area. Digital and ...

43. Aeronautical Charts, Data and Information [CGS_ACD_AERO_DATA]
The Federal Aviation Agency (FAA) National Aeronautical Charting Office (NCAO) s responsible for the public distribution of National Oceanic and Atmospheric Administration/National Ocean ...

44. Agricultural Land Use of Wyoming [WYGISC_LANDUSE]
The purpose of this data layer is to provide a digital layer showing areas of agriculture and agricultural chemical use in Wyoming. This layer was designed to be applied in the Wyoming ...

45. Alaska Tidewater Glacier Terminus Positions [NSIDC-0634]
This data set contains Alaska tidewater glacier terminus positions digitized from USGS topographic maps and Landsat images.

46. Analysis of Glacier Hazard Potentials By Knowledge-Based Remote Sensing Fusion for GIS Modeling (AGREG) [UNIZH_AGREG]
Snow, glaciers and permafrost in cold mountain areas such as the Swiss Alps are especially sensitive to changes in environmental conditions due to their proximity to melting conditions. ...

47. Antarctic CRC and Australian Antarctic Division Climate Data Set - Northern extent of Antarctic sea ice [climate_sea_ice]
This dataset contains the digitisation of one U.S. Navy/NOAA Joint Ice Facility sea ice extent and concentration map monthly to give the latitude and longitude of the northern extent of the Antarctic ...

48. Antarctic Distances [ant_dist]
Spreadsheet of distances between Antarctic locations (eg. Mawson Station, Prince Edward Island) and world locations (eg. Melbourne, Santiago).

49. Antarctic Ice Analyses, monthly, by Ropelewski [NCAR_DS234.0]
Monthly sea-ice area data is available for each 10 degrees of longitude for Antarctica starting January 1973. These data are based on weekly charts prepared by the Navy-NOAA ...

50. Antarctic Stress Map Project - Phase 1: Neogene-Quaternary volcanic alignments in the Transantarctic Mountains-Ross Sea region [MVG_cone]
In order to define stress orientation in the Antarctic interior, we have examined young volcanic cones found within Cenozoic volcanic provinces of the McMurdo Volcanic ...

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