The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/h10807-nos-hydrographic-survey-lynn-canal-alaska-1998-05-27/resource/b7a98865-d38a-481e-8c9f-9ce35f3d70ba.
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.