# Aerial photography in hydraulic engineering

{
  "id": "S85001267",
  "title": "Aerial photography in hydraulic engineering",
  "url": "/topics/S85001267",
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  "provider": "lcsh",
  "revision": "f7e0a73d88f1fa21",
  "catalogue_revision": "f050b5d4780b1289",
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  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
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Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh85001267

No owner-reviewed local answer yet.