The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/w00242-nos-hydrographic-survey-outside-sourced-data-2005-04-19/resource/3da599a1-d77a-4d83-98c5-dee322e9699b.
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.