The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/h10227-nos-hydrographic-survey-icy-strait-alaska-1986-11-13/resource/7f6512aa-a557-4313-baf2-b9144e129d30.
Reason: DNS lookup failure for: os-data-catalog.ngdc.noaa.gov
Additionally, a 502 Bad Gateway error was encountered while trying to use an ErrorDocument to handle the request.