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1. CONMAPSG: Continental Margin Mapping (CONMAP) sediments grainsize distribution for the United States East Coast Continental Margin [CZM_moris_conmapsg_poly]
Sediments off the eastern United States vary markedly in texture - the size, shape, and arrangement of their grains. However, for descriptive purposes, it is typically most useful to classify these ...


2. Digital Offshore Cadastre (DOC) - Atlantic83 - Baseline Points [CZM_moris_atbslnpt_pt]
This data set contains baseline points in ESRI Arc/Info export and Arc/View shape file formats for the MMS Atlantic Region. Baseline points are used by the MMS to calculate the Submerged Lands Act ...


3. Tide Gauge Stations [CZM_moris_tide_stations_pt]
The tide is an alternate and regular rise and fall of sea level in oceans and other large bodies of water. The Massachusetts coastline has a diurnal tide with two high and low tides each day. NOAA ...


4. Vessel Traffic Separation Scheme and Precautionary Areas [CZM_moris_shipping_lanes_poly]
NOAA's ENC Direct to GIS web portal provides comprehensive access to display, query, and download all available large scale NOAA ENC data in a variety of GIS/CAD formats for non-navigational purposes ...


5. Historical Weather Data for Alaska [ALASKA_WEATHER]
The Alaska Climate Center (ACC) houses the historical weather records for the state of Alaska (mostly official U.S. Government data). These are in the form of raw handwritten data, summarized ...


6. Climate Data Provided by the State Climate Office of North Carolina [NC_CLIM_SERVICES]   CHILD DIFs
Climate affects many aspects of our daily lives. Transportation, industrial processes, tourism, environment, and agriculture are closely tied to climatic factors. Even our recreation and general lifestyles ...


7. Climate and Weather Products offered by the Pennsylvania State Climate Office [PA_STATCLIM]
The Pennsylvania State Climatologist Office home page offers the following products and services. Data Archive - Historical observations from FAA, COOP, CWOP, and DEP observing sites. Current ...


8. Climatology Products from the Minnesota Climatology Working Group [MN_CLIMATE_WORKING_GROUP]
(Summary was adapted from the Climatology Working Group Home Page) The Minnesota Climatology Working Group offers long term weather summary and regularly updated climate data sets for the state of ...


9. Georgia Climate Data from The Global Historical Climatology Network [GA_CLIM_GHCN]
The office of the Georgia State Climatologist presents climatology data for stations in Georgia from the Global Historical Climate Network (GHCN). GHCN data is produced jointly by the National Climatic ...


10. North Carolina Climate Retrieval and Observations Network Of the Southeast (CRONOS) [NC_CRONOS_CLIM]   PARENT DIF
The CRONOS (Climate Retrieval and Observations Network Of the Southeast Database) database is an online interface to weather and climate observations collected from automated sensors in North Carolina ...


11. Oregon Climate Service Monthly and Daily Climate Statistics for Individual Observation Stations [OREG_CLIM_MONTH_MEANS]
The Oregon Climate Service at Oregon State University offers monthly climate statistics for various stations in Oregon. A monthly means and and extremes dataset for stations throughout the state for ...


12. Annotation - Hypsographic Features [MassGIS_GISDATA.GEONAMES_ANNO_HYPSO]
This datalayer represents annotation for hypsographic features, which may be used for map labels.


13. Deepest Chesapeake Bay Channels [md_baychannel]
Polyline map tracing the deepest parts of the Chesapeake Bay and its tidal estuaries. Channels were digitized based on deepest contours, channel slope, channel width and bottom geomorphology. Contour ...


14. 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 ...


15. Digital Orthophotography of the Maximum Extent of Tornado Damage in LaPlata, Maryland [MDNR_LAPLATA_TORNADO]
This data record describes the production of color digital orthophotography of tornado damage in LaPlata, MD, by EarthData International of Maryland, under contract to the ...


16. GIS Datasets for the State of Montana: DEM, Park Lands and Management Areas, Landsat Imagery and its Derived Products: Land Cover, Life Forms, etc. [MSL_NRIS_INCOMPST]
This collection contains 10 individual datasets pertaining to data that do not cover the entire state of Montana. These include the following: -1:24000 DEM -Parks lands and special managment areas ...


17. GIS Datasets for the State of Montana: Roads, Water Bodies, DEM, Land Cover/Use, and Related Information [MSL_NRIS_LAND_WATER]
This collection contains 18 individual datasets pertaining to land and water features for the state of Montana. These include the following: -Highways and railroads -Lakes, streams, watersheds, ...


18. LIDAR 2004 Gridded DEM [lidar_2004_MD]
Light Detection and Ranging (LIDAR) is a method of locating objects on the ground using aerial-borne equipment. It is similar to RADAR or SONAR in that the two-way travel time of an energy beam reflected ...


19. LIDAR 2004 Intensity Imagery [lidar_2004_Intense]
Light Detection and Ranging (LIDAR) is a method of locating objects on the ground using aerial-borne equipment. It is similar to RADAR or SONAR in that the two-way travel time of an energy beam reflected ...


20. 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 ...


21. 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 ...


22. SNEP Digital Spatial Data Catalog: Sierra Nevada Ecosystem Project [CEIC_SNEP]
The Sierra Nevada Ecosystem Project (SNEP) is an assessment of the Sierra Nevada ecoregion which was requested by Congress in 1992. Along with a scientific review of late-successional ...


23. 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. ...


24. 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 ...


25. 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 ...


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