USGS NED one meter x40y432 MD-PA SandySupp 2014 IMG 2016

Metadata Updated: September 10, 2016

This is a tile of the National Elevation Dataset (NED) and is one meter resolution. Data in this layer represent a bare earth surface. The National Elevation Dataset (NED) serves as the elevation layer of The National Map, and provides basic elevation information for earth science studies and mapping applications in the United States. Scientists and resource managers use NED data for global change research, hydrologic modeling, resource monitoring, mapping and visualization, and many other applications. The NED is an elevation dataset that consists of seamless layers and non-seamless high resolution layers. Each of the seamless layers are composed of the best available raster elevation data of the conterminous United States, Alaska, Hawaii, territorial islands, Mexico and Canada. The NED is updated continually as new data become available. All NED data are in the public domain. The NED is derived from diverse source data that are processed to a common coordinate system and unit of vertical measure. The spatial reference used for tiles of the one meter layer within the conterminous United States (CONUS) is Universal Transverse Mercator (UTM) in units of meters, and in conformance with the North American Datum of 1983 (NAD83). All bare earth elevation values are in meters and are referenced to the North American Vertical Datum of 1988 (NAVD88). Each tile is distributed in the UTM Zone in which it lies. If a tile crosses two UTM Zones, it is delivered in both zones. Only source data of one meter resolution or finer are used to produce the NED standard one meter layer

Access & Use Information

Collection

This dataset is part of the following collection:

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Dates

Metadata Date September 9, 2016
Metadata Created Date September 10, 2016
Metadata Updated Date September 10, 2016
Reference Date(s) August 19, 2016 (publication)
Frequency Of Update asNeeded

Metadata Source

Harvested from 1 meter Digital Elevation Models (DEMs) - USGS National

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Thumbnail JPG image

Additional Metadata

Resource Type Dataset
Metadata Date September 9, 2016
Metadata Created Date September 10, 2016
Metadata Updated Date September 10, 2016
Reference Date(s) August 19, 2016 (publication)
Responsible Party U.S. Geological Survey (Point of Contact)
Contact Email
Access Constraints Use Constraints: There is no guarantee or warranty concerning the accuracy of the data. Users should be aware that temporal changes may have occurred since these data were collected and that some parts of these data may no longer represent actual surface conditions. Users should not use these data for critical applications without a full awareness of its limitations. Acknowledgement of the originating agencies would be appreciated in products derived from these data. Any user who modifies the data is obligated to describe the types of modifications they perform. User specifically agrees not to misrepresent the data, nor to imply that changes made were approved or endorsed by the USGS. Please refer to http://www.usgs.gov/privacy.html for the USGS disclaimer., Access Constraints: None. Any downloading and use of these data signifies a user's agreement to comprehension and compliance of the USGS Standard Disclaimer. Insure all portions of metadata are read and clearly understood before using these data in order to protect both user and USGS interests.
Bbox East Long -76.0383184444783
Bbox North Lat 39.0244684019405
Bbox South Lat 38.9331766810736
Bbox West Long -76.1552775811964
Collection Package Id 988723e5-b093-4520-9ea3-cbfea7769bae
Coupled Resource
Frequency Of Update asNeeded
Graphic Preview Description Thumbnail JPG image
Graphic Preview File https://prd-tnm.s3.amazonaws.com/StagedProducts/Elevation/1m/IMG/USGS_NED_one_meter_x40y432_MD_PA_SandySupp_2014_IMG_2016_thumb.jpg
Graphic Preview Type JPEG
Guid
Harvest Object Id 12d73000-4707-4bfe-93f7-d127aa8cc04b
Harvest Source Id 1f6dc373-5675-458f-86fc-96886463f8e3
Harvest Source Title 1 meter Digital Elevation Models (DEMs) - USGS National
Licence Although these data have been processed successfully on a computer system at the U.S. Geological Survey, 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 warranty 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.
Metadata Language
Metadata Type geospatial
Progress completed
Spatial Data Service Type
Spatial Reference System
Spatial Harvester True
Temporal Extent Begin 2014-04-30
Temporal Extent End 2015-10-31

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