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USGS Elevation Query Service API

From the US Geological Survey: The Elevation Query Web Service returns the elevation in feet or meters for a specific latitude/longitude point from the USGS Seamless Elevation data sets hosted at USGS/EROS. The elevation values returned default to the best-available (highest resolution) data source available at the specified point. Alternately, this service may return the value from a specified data source, or from all data sources. If unable to find data at the requested point, this services returns an extremely large, negative value.

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USGS Elevation Query Service: Highlights

Summary
Determine elevation based on latitude and longitude
Category
Mapping
Tags
Protocols
SOAP
Data Formats
XML
API home
http://gapanalysis.usgs.gov/data/web-services ... 
This is 1 of
10 APIs by USGS

USGS Elevation Query Service: Specifications

Functionality

Client Install Required
No  
WSDL
http://gisdata.usgs.gov/XMLWebServices/TNM_El ...

Signup and Licensing

Signup Requirements
None  
Developer Key Required
 
Account Required
 
Commercial Licensing
 
Provider
usgs.gov  
Company
USGS  
Non-Commercial Lic.
 
Data Licensing
 
Usage Fees
None  
Program Fees
 
Certification Program
 
Usage Limits
 
Terms of Service
 

Security

Authentication Model
None 
SSL Support
No 
Read-only Without Login
Yes 

Support

Vendor API Kits
 
Community API Kits
 
API Blog
 
Site Blog
www.usgs.gov/newsroom/ 
API Forum
 
Developer Support
 
Console URL
 

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Comments 

December 03, 2007
at 19:34
Comment by: Ian Wells

What is the accuracy of this system, horizontally and vertically?

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