The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/h10979-nos-hydrographic-survey-southwest-alaska-peninsula-alaska-2001-06-22/resource/ac800e81-4e77-463d-bdbf-1f9e8b06e60f.
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.