National Elevation Dataset

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What does this data set describe?

    Title: National Elevation Dataset
    Abstract:
    The U.S. Geological Survey has developed a National Elevation Dataset (NED). The NED is a seamless mosaic of best-available elevation data. The 7.5-minute elevation data for the conterminous United States are the primary initial source data. In addition to the availability of complete 7.5-minute data, efficient processing methods were developed to filter production artifacts in the existing data, convert to the NAD83 datum, edge-match, and fill slivers of missing data at quadrangle seams. One of the effects of the NED processing steps is a much-improved base of elevation data for calculating slope and hydrologic derivatives. The specifications for the NED 1 arc second and 1/3 arc second data are: Geographic coordinate system Horizontal datum of NAD83, except for AK which is NAD27 Vertical datum of NAVD88, except for AK which is NAVD29 Z units of meters
    Supplemental_Information:
    (Source DEM information)
    QUADNAMERESOLUTIONULLATULLONLRLATLRLONHDATUMZMINZMAXZMEANZSIGMAPMETHODQUADDATE
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    empty1045.125-110.87645-110.751271540.1913344.6292087.224359.213519990323
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    empty1045.125-110.37645-110.251272193.5313050.6392590.594175.705519990323
    belmont_park_ranch_MT1045.125-112.25145-112.126271698.5162221.4161932.25102.587520010201
    home_park_ranch_MT1045.125-112.12645-112.001271699.4082745.3081963.299193.789520010201
    warm_springs_creek_MT1045.125-112.00145-111.876271810.3872956.8872202.085200.027520010201
    broomtail_ridge_MT1045.125-111.87645-111.751271786.1432875.0432339.43210.65520010201
    bucks_nest_MT1045.125-111.75145-111.626271641.9122565.4121819.345146.291520010201
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    hidden_lake_bench_MT1044.75-111.62644.625-111.501271925.4552612.5552200.565128.459520010601
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    spencer_north_ID1044.5-112.25144.375-112.126271797.7752552.9752039.318107.022520010601
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    rammell_mountain_WY1044-111.00143.875-110.876271978.863088.262377.579212.695519990319
    ranger_peak_WY1044-110.87643.875-110.751272068.8463454.9462809.548247.91519990326
    colter_bay_WY1044-110.75143.875-110.626272063.8853270.2852190.482242.739519990326
    two_ocean_lake_WY1044-110.62643.875-110.501272063.9352709.2352248.759144.344519990326
    whetstone_mountain_WY1044-110.50143.875-110.376272080.4342930.5342366.001163.92519990326
    gravel_mountain_WY1044-110.37643.875-110.251272183.1952933.2952470.875118.967520000202
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    deer_parks_ID1043.875-112.12643.75-112.001271452.3881578.6881500.51928.116520010601
    menan_buttes_ID1043.875-112.00143.75-111.876271460.0991711.3991496.33829.693520010601
    rexburg_ID1043.875-111.87643.75-111.751271468.6941605.8941517.60541.447520010601
    moody_ID1043.875-111.75143.75-111.626271486.9181730.8181576.31751.735520010601
    white_owl_butte_ID1043.875-111.62643.75-111.501271536.6571930.5571732.209101.991520010601
    wright_creek_ID1043.875-111.50143.75-111.376271628.6912484.2911898.305142.185520010601
    packsaddle_lake_ID1043.875-111.37643.75-111.251271792.3422514.7422012.539184.617520000202
    tetonia_ID1043.875-111.25143.75-111.126271786.2971959.7971828.26631.385520000202
    clawson_ID1043.875-111.12643.75-111.001271857.6312278.2311979.84785.354520000202
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    jenny_lake_WY1043.875-110.75143.75-110.626272009.5962868.6962095.58676.904519990326
    moran_WY1043.875-110.62643.75-110.501272014.8922669.4922093.73281.813519990326
    davis_hill_WY1043.875-110.50143.75-110.376272054.7082761.4082212.197129.28519990326
    rosies_ridge_WY1043.875-110.37643.75-110.251272074.9732870.3732366.91172.627520000202
    roberts_ID1043.75-112.25143.625-112.126271450.961568.261452.87123.226520010601
    lewisville_ID1043.75-112.12643.625-112.001271448.3721501.1721448.37220.451520010601
    rigby_ID1043.75-112.00143.625-111.876271460.2891513.7891470.7837.681520010601
    ririe_ID1043.75-111.87643.625-111.751271476.6881594.4881516.75922.747520010601
    heise_ID1043.75-111.75143.625-111.626271503.0412033.1411676.198116.545520010601
    hawley_gulch_ID1043.75-111.62643.625-111.501271642.4952290.8951908.68577.743520010601
    temple_peak_ID1043.75-111.50143.625-111.376271679.5662547.9662117.321150.632520010601
    garns_mountain_ID1043.75-111.37643.625-111.251271857.6272749.8272282.448186.304520000202
    bates_ID1043.75-111.25143.625-111.126271821.8332503.3331872.352110.554520000202
    driggs_ID1043.75-111.12643.625-111.001271842.272810.872027.723206.256520000202
    mount_bannon_WY1043.75-111.00143.625-110.876272067.5763346.5762705.607249.005519990326
    grand_teton_WY1043.75-110.87643.625-110.751271943.3964200.5962726.612453.688519990326
    moose_WY1043.75-110.75143.625-110.626271949.7762389.7762040.26453.283519990326
    shadow_mountain_WY1043.75-110.62643.625-110.501272031.8412798.4412306.915177.102519990326
    mount_leidy_WY1043.75-110.50143.625-110.376272107.043148.442552.169167.004519990326
    green_mountain_WY1043.75-110.37643.625-110.251272290.3863152.1862660.129160.565520000202
    shattuck_butte_ID1043.625-112.25143.5-112.126271433.4971609.5971501.78330.311520010601
    idaho_falls_north_ID1043.625-112.12643.5-112.001271429.8841484.2841436.52818.327520010601
    ucon_ID1043.625-112.00143.5-111.876271442.681696.881478.01238.102520010601
    rigby_se_ID1043.625-111.87643.5-111.751271484.1241779.6241613.45881.707520010601
    poplar_ID1043.625-111.75143.5-111.626271508.9321993.1321676.141100.879520010601
    heise_se_ID1043.625-111.62643.5-111.501271538.0792077.3791762.298119.158520010601
    wheaton_mountain_ID1043.625-111.50143.5-111.376271555.6762605.7761842.685191.078520010601
    stouts_mountain_ID1043.625-111.37643.5-111.251271675.8082666.8082102.873188.198520010601
    fourth_of_july_peak_ID1043.625-111.25143.5-111.126271834.4722691.7722076.804167.891520000202
    victor_ID1043.625-111.12643.5-111.001271858.0122787.1122237.698226.157520000202
    rendezvous_peak_WY1043.625-111.00143.5-110.876271867.4833336.8832671.34247.994519990326
    teton_village_WY1043.625-110.87643.5-110.751271871.7873185.0872053.033243.615520011201
    gros_ventre_junction_WY1043.625-110.75143.5-110.626271892.0792567.4792022.175104.39519990326
    blue_miner_lake_WY1043.625-110.62643.5-110.501272019.7743422.4742574.961313.08519990326
    grizzly_lake_WY1043.625-110.50143.5-110.376272100.7183322.3182614.128346.985520000211
    upper_slide_lake_WY1043.625-110.37643.5-110.251272184.8443035.3442518.953178.635520000202
    woodville_ID1043.5-112.25143.375-112.126271397.7811482.1811415.42423.854520010601
    idaho_falls_south_ID1043.5-112.12643.375-112.001271405.0691564.1691411.31517.91520010601
    ammon_ID1043.5-112.00143.375-111.876271426.411915.511524.021113.432520010601
    ozone_ID1043.5-111.87643.375-111.751271513.4521961.7521763.53469.555520010601
    lone_pine_ridge_ID1043.5-111.75143.375-111.626271553.4742010.5741811.32687.476520010601
    point_lookout_ID1043.5-111.62643.375-111.501271787.7662345.6662039.564106.896520010601
    conant_valley_ID1043.5-111.50143.375-111.376271583.0992302.6991848.794150.774520010601
    swan_valley_ID1043.5-111.37643.375-111.251271601.5672492.9671784.001181.139520000202
    thompson_peak_ID1043.5-111.25143.375-111.126271632.8483034.4482217.782301.634520000202
    palisades_peak_ID1043.5-111.12643.375-111.001271931.4533017.6532468.393218.063520000202
    teton_pass_WY1043.5-111.00143.375-110.876271859.752884.852290.893207.672519990326
    jackson_WY1043.5-110.87643.375-110.751271811.2742446.1741924.897124.418519990326
    cache_creek_WY1043.5-110.75143.375-110.626271812.9933273.7932355.113256.078519990326
    turquoise_lake_WY1043.5-110.62643.375-110.501272034.3783408.5782836.543227.436519990326
    crystal_peak_WY1043.5-110.50143.375-110.376272157.0243481.5242865.789262.487520000202
    darwin_peak_WY1043.5-110.37643.375-110.251272594.1463551.8462962.661165.028520000202
    firth_ID1043.375-112.25143.25-112.126271380.5771457.7771405.79811.667519990716
    goshen_ID1043.375-112.12643.25-112.001271397.1991818.3991488.041102.223520010601
    wolverine_ID1043.375-112.00143.25-111.876271497.1932259.9931850.745161.164520010601
    bone_ID1043.375-111.87643.25-111.751271674.1082283.6081928.393109.287520010601
    jumpoff_hill_ID1043.375-111.75143.25-111.626271680.6222214.5221935.40483.301520010601
    castle_rock_ID1043.375-111.62643.25-111.501271744.9652287.3652025.95585.561520010601
    commissary_ridge_ID1043.375-111.50143.25-111.376271731.2772555.1772101.277147.793520010601
    red_ridge_ID1043.375-111.37643.25-111.251271631.2812722.9812161.036180.877520000202
    palisades_dam_ID1043.375-111.25143.25-111.126271631.6273030.3271935.68235.029520000202
    mount_baird_ID1043.375-111.12643.25-111.001271713.6623057.7622253.465314.858520000202
    observation_peak_WY1043.375-111.00143.25-110.876272008.9553039.7552497.862214.826520000202
    munger_mountain_WY1043.375-110.87643.25-110.751271768.8772896.0772106.281176.064520000202
    camp_davis_WY1043.375-110.75143.25-110.626271789.9912772.0912105.246191.801520000202
    bull_creek_WY1043.375-110.62643.25-110.501271864.9533260.4532375.609255.723520000202
    granite_falls_WY1043.375-110.50143.25-110.376271938.7143404.9142308.787243.304520000202
    doubletop_peak_WY1043.375-110.37643.25-110.251272056.673575.272675.528385.999520000202
    sportsman_lake_MT1045.125-111.00145-110.876271893.9533078.422503.429224.742519990323
  1. How should this data set be cited?
    U.S. Geological Survey (USGS), EROS Data Center, 1999, National Elevation Dataset: U.S. Geological Survey, Sioux Falls, SD.

    Online Links:

  2. What geographic area does the data set cover?
    West_Bounding_Coordinate:-112.21443603
    East_Bounding_Coordinate:-110.32203984
    North_Bounding_Coordinate:45.09617003
    South_Bounding_Coordinate:43.28949214
  3. What does it look like?
  4. Does the data set describe conditions during a particular time period?
    Beginning_Date: 01-Feb-1999
    Ending_Date: Unknown
    Currentness_Reference: publication date
  5. What is the general form of this data set?
    Geospatial_Data_Presentation_Form: raster digital data
  6. How does the data set represent geographic features?
    1. How are geographic features stored in the data set?

      This is a Raster data set.

    2. What coordinate system is used to represent geographic features?
  7. How does the data set describe geographic features?

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)
  2. Who also contributed to the data set?
  3. To whom should users address questions about the data?

Why was the data set created?

Geospatial elevation data are utilized by the scientific and resource management communities for global change research, hydrologic modeling, resource monitoring, mapping, and visualization applications.

How was the data set created?

  1. Where did the data come from?
  2. What changes have been made?

How reliable are the data; what problems remain in the data set?


How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?
Access_Constraints: None
Use_Constraints:
None. Acknowledgement of the originating agencies would be appreciated in products derived from these data.
  1. Who distributes the data set? (Distributor 1 of 1)
    Customer Services Representative
    EROS Data Center
    U.S. Geological Survey
    EROS Data Center
    Sioux Falls, SD 57198
    USA

    605-594-6151 (voice)
    605-594-6589 (FAX)
    custserv@edcmail.cr.usgs.gov

  2. What's the catalog number I need to order this data set?

    National Elevation Dataset (NED)

  3. What legal disclaimers am I supposed to read?
    Although these data have been processed successfully on a computer system at the U.S. Geological Survey, EROS Data Center, no warranty expressed or implied is made by either regarding the utility of the data on any system, nor shall the act of distribution constitute any such warranty. The USGS will warrant the delivery of this product in computer-readable format and will offer appropriate adjustment of credit when the product is determined unreadable by correctly adjusted computer peripherals, or when the physical medium is delivered in damaged condition. Requests for adjustments of credit must be made within 90 days from the date of this shipment from the ordering site.
  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 11-Feb-1999
Metadata author:
Customer Services Representative
EROS Data Center
U.S. Geological Survey
EROS Data Center
Sioux Falls, SD 57198
USA

605-594-6151 (voice)
605-594-6589 (FAX)
custserv@edcmail.cr.usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)