The proxy server received an invalid
response from an upstream server.
The proxy server could not handle the request GET /dataset/dataset/h10490-nos-hydrographic-survey-southern-alaska-peninsula-alaska-1993-08-06/resource/fe1d2785-9407-449d-96a9-4e2dc525854d.
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.